List of Pennsylvania state historical markers in Allegheny County

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Location of Allegheny County in Pennsylvania

This is a list of the Pennsylvania state historical markers in Allegheny County.

This is intended to be a complete list of the official state historical markers placed in Allegheny County, Pennsylvania by the Pennsylvania Historical and Museum Commission (PHMC). The locations of the historical markers, as well as the latitude and longitude coordinates as provided by the PHMC's database, are included below when available. There are currently 148 historical markers located in Allegheny County.[1]


Historical markers[edit]

Marker title Image Date dedicated Location Marker type Topics
1909 McKee's Rocks Strike McKees-constables-1909.jpg Saturday, October 14, 2000 812 Island Avenue at McKees Rocks Bridge, Stowe Township
40°28′25″N 80°03′45″W / 40.47372°N 80.06258°W / 40.47372; -80.06258 (1909 McKee's Rocks Strike)
Roadside Labor
1st Drive-In Filling Station Whitehill-Gleason Motors.jpg Tuesday, July 11, 2000 Near intersection of Baum Boulevard & St. Clair Streets, East Liberty/Friendship (Pittsburgh)
40°27′34″N 79°55′50″W / 40.45934°N 79.93066°W / 40.45934; -79.93066 (1st Drive-In Filling Station)
City Business & Industry, Oil & Gas, Transportation
Allegheny Arsenal AlleghenyArsenal.jpg Thursday, June 1, 1967 40th Street near Davidson at Arsenal Park, opposite #257, Lawrenceville
40°28′02″N 79°57′38″W / 40.46719°N 79.9605°W / 40.46719; -79.9605 (Allegheny Arsenal)
City Civil War, French & Indian War, Military
Allegheny Cotton Mill Strikes TransparentPlaceholder.png Monday, October 01, 2007 Allegheny Landing, near Allegheny River between Roberto Clemente (6th Street) & Andy Warhol (7th Street) Bridges, North Shore (Pittsburgh)
40°26′49″N 80°00′09″W / 40.44706°N 80.00258°W / 40.44706; -80.00258 (Allegheny Cotton Mill Strikes)
City Government & Politics 19th Century, Labor, Mills
Allegheny County AlleghenyCountyCourthouse.jpg Thursday, December 30, 1982 County Courthouse (courtyard), Grant Street between 5th & Forbes Avenues, Pittsburgh
40°26′19″N 79°59′47″W / 40.438673°N 79.996396°W / 40.438673; -79.996396 (Allegheny County)
City Business & Industry, Government & Politics, Government & Politics 18th Century, Iron, Steel
Allegheny Observatory Allegheny Observatory 2007b.jpg Friday, November 02, 1979 Riverview Avenue in Riverview Park (off US 19) near Observatory, Observatory Hill, Pittsburgh
40°28′58″N 80°01′06″W / 40.48274°N 80.01831°W / 40.48274; -80.01831 (Allegheny Observatory)
City Education, Medicine & Science, Transportation
Andrew Carnegie (1835-1919) Andrew Carnegie, three-quarter length portrait, seated, facing slightly left, 1913-crop.jpg Thursday, April 18, 1996 Carnegie Museum of Natural History, 4400 Forbes Avenue (Schenley Drive Extension), Oakland (Pittsburgh)
40°26′34″N 79°57′06″W / 40.44277°N 79.95168°W / 40.44277; -79.95168 (Andrew Carnegie)
City Business & Industry, Education, Ethnic & Immigration, Professions & Vocations, Steel
Art Blakey (1919-1990) Art Blakey08.JPG Sunday, August 26, 2007 617 Chauncey Street, Hill District (Pittsburgh)
40°26′52″N 79°58′25″W / 40.4479°N 79.97358°W / 40.4479; -79.97358 (Art Blakey)
City African American, Music & Theater, Performers
Arthur J. Rooney (1901-1988) TransparentPlaceholder.png Friday, June 03, 2005 Tourman Street & Coulterville Road, Coulter
40°17′45″N 79°47′57″W / 40.295967°N 79.799300°W / 40.295967; -79.799300 (Arthur J. Rooney)
Roadside Ethnic & Immigration, Football, Sports
August Wilson (1945-2005) PittsburghPaAWH2.jpg Wednesday, May 30, 2007 1727 Bedford Ave., Hill District (Pittsburgh)
40°26′43″N 79°59′08″W / 40.44521°N 79.98542°W / 40.44521; -79.98542 (August Wilson)
Roadside African American, Music & Theater, Writers
Avery College TransparentPlaceholder.png Monday, January 01, 1968 621 East Ohio Street, North Side (Pittsburgh)
40°27′14″N 79°59′54″W / 40.453833°N 79.998363°W / 40.453833; -79.998363 (Avery College)
City African American, Education, Religion
Barney Dreyfuss (1865-1932) Barney dreyfuss.jpg Thursday, June 30, 2005 Posvar Hall, Roberto Clemente & Schenley Drives, University of Pittsburgh, Oakland section
40°26′30″N 79°57′11″W / 40.4416°N 79.95296°W / 40.4416; -79.95296 (Barney Dreyfuss)
City Baseball, Entrepreneurs, Sports
Bethel A.M.E. Church Bethel AME marker 1st Av Pittsb jeh.jpg Sunday, September 24, 1995 405 1st Avenue, at Smithfield Street, Pittsburgh
40°26′14″N 80°00′02″W / 40.43716°N 80.0005°W / 40.43716; -80.0005 (Bethel A.M.E. Church)
City African American, Civil Rights, Education, Religion
Bethel Presbyterian Church John McMillan portrait 1820s.jpg Tuesday, August 21, 1951 2999 Bethel Church Road between PA 88 & US 19, Bethel Park
40°20′11″N 80°02′53″W / 40.336476°N 80.047926°W / 40.336476; -80.047926 (Bethel Presbyterian Church)
Roadside Buildings, Education, Religion
Billy Eckstine (1914-1993) TransparentPlaceholder.png Sunday, July 31, 1994 5917 Bryant Street, Highland Park (Pittsburgh)
40°28′32″N 79°55′09″W / 40.475567°N 79.919250°W / 40.475567; -79.919250 (Billy Eckstine)
City African American, Performers
Bost Building Bost Building.jpg Tuesday, July 07, 1992 617-623 East 8th Avenue near Heisel Street, Homestead
40°24′33″N 79°54′16″W / 40.409039°N 79.904394°W / 40.409039; -79.904394 (Bost Building)
City Buildings, Iron, Labor, Publishing, Steel
Bouquet Camp TransparentPlaceholder.png Saturday, December 21, 1946 Saltsburg Road (PA 380) & Frankstown Avenue (Petermans Corner), Penn Hills Twp
40°29′03″N 79°49′09″W / 40.48414°N 79.81905°W / 40.48414; -79.81905 (Bouquet Camp)
Roadside Forts, French & Indian War, Military, Roads
Bower Hill Friday, August 23, 1996 292 Kane Boulevard, Scott Twp., NE of Bridgeville
40°22′28″N 80°05′10″W / 40.37434°N 80.08614°W / 40.37434; -80.08614 (Bower Hill)
Roadside African American, American Revolution, George Washington, Mansions & Manors, Military, Whiskey Rebellion
Braddock's Crossing TransparentPlaceholder.png Monday, August 24, 1964 Hoffman & Kennywood (PA 837) Boulevards at Kennywood Park, West Mifflin
40°23′07″N 79°51′47″W / 40.38524°N 79.86292°W / 40.38524; -79.86292 (Braddock's Crossing)
Roadside French & Indian War, Military, Native American
Braddock's Defeat Braddock's death at the Battle of Monongahela 9-July-1755.jpg Saturday, February 28, 1948 549 Jones Avenue, Washington Statue Park, Braddock
40°24′11″N 79°51′48″W / 40.40296°N 79.86343°W / 40.40296; -79.86343 (Braddock's Defeat)
Roadside Forts, French & Indian War, Military, Native American
Braddock's Defeat Braddock's death at the Battle of Monongahela 9-July-1755.jpg Saturday, February 28, 1948 US 30, north side, S of I-376 exit 10, Forest Hills (Missing)
Roadside French & Indian War, Military, Native American
Braddock's Field TransparentPlaceholder.png Monday, September 12, 1994 549 Jones Avenue, Washington Statue Park, Braddock
40°24′11″N 79°51′48″W / 40.403006°N 79.863265°W / 40.403006; -79.863265 (Braddock's Field)
Roadside Government & Politics, Military, Whiskey Rebellion
Carnegie Hero Fund Commission TransparentPlaceholder.png 1995 301 Pittsburgh Street (SR 1001, old PA 28), across from Washington Street, Springdale
40°32′28″N 79°47′26″W / 40.54106°N 79.79061°W / 40.54106; -79.79061 (Carnegie Hero Fund Commission)
Roadside Business & Industry
Carnegie Library of Homestead Swim Team Homestead Library pool.gif Saturday, August 14, 2004 Homestead Library, 510 East 10th Avenue, Munhall
40°24′26″N 79°54′11″W / 40.40733°N 79.90314°W / 40.40733; -79.90314 (Carnegie Library of Homestead Swim Team)
City Sports, Women
Charles Martin Hall (1863-1914) CharlesMartinHall.jpg Sunday, March 01, 1998 3200 Smallman St., Pittsburgh
40°27′42″N 79°58′15″W / 40.461581°N 79.9707°W / 40.461581; -79.9707 (Charles Martin Hall)
City Business & Industry, Electricity, Entrepreneurs, Invention
Charles Taze Russell (1852-1916) Charles Taze Russell sharp.jpg Monday, May 08, 2000 Allegheny Center, East Commons, at New Hazlett Theater (formerly Carnegie Hall), Pittsburgh
40°27′10″N 80°00′18″W / 40.45274°N 80.00488°W / 40.45274; -80.00488 (Charles Taze Russell)
City Buildings, Houses & Homesteads, Religion
Chartier's Town TransparentPlaceholder.png Thursday, December 19, 1946 PA 28 at Tarentum (Missing)
City Business & Industry, Cities & Towns, Early Settlement, Native American
Clinton Furnace Station Square fountain.jpg Thursday, September 02, 2004 Bessemer Court at Station Square, Pittsburgh
40°26′03″N 80°00′16″W / 40.434284°N 80.004582°W / 40.434284; -80.004582 (Clinton Furnace)
Roadside Business & Industry, Furnaces, Iron
Crawford Grill CrawG013 Fix.jpg Saturday, April 07, 2001 Wylie Avenue at Elmore Street, Pittsburgh
40°26′44″N 79°58′41″W / 40.445503°N 79.977943°W / 40.445503; -79.977943 (Crawford Grill)
City African American, Music & Theater
Daisy E. Lampkin TransparentPlaceholder.png Sunday, August 08, 1993 2519 Webster Avenue at Watt Lane, Hill District (Pittsburgh)
40°27′00″N 79°58′19″W / 40.44991°N 79.97201°W / 40.44991; -79.97201 (Daisy E. Lampkin)
City African American, Government & Politics, Government & Politics 20th Century, Women
David L. Lawrence TransparentPlaceholder.png Thursday, February 28, 1985 Point State Park, Pittsburgh (Missing)
City Government & Politics, Government & Politics 19th Century, Governors
Davis Island Lock & Dam Davis Island Dam & Lock No. 1.jpg Saturday, July 04, 1987 1050 Ohio River Blvd. (PA 65) at E borough line, at Eat 'n' Park, Avalon
40°29′38″N 80°03′51″W / 40.494°N 80.06416°W / 40.494; -80.06416 (Davis Island Rock & Dam)
Roadside Environment
Dravo Corporation Shipyard NevilleTownshipMemorial.jpg Friday, August 18, 1995 5500 Grand Avenue, at Memorial Park, beside fire station, Neville Island
40°30′43″N 80°07′47″W / 40.51182°N 80.12971°W / 40.51182; -80.12971 (Dravo Corporation Shipyard)
Roadside Business & Industry, Entrepreneurs
Duquesne Steel Works TransparentPlaceholder.png Sunday, October 12, 1997 East Grant Avenue & Linden Street (PA 837), Duquesne
40°22′27″N 79°50′33″W / 40.37407°N 79.84241°W / 40.37407; -79.84241 (Duquesne Steel Works)
City Business & Industry, Entrepreneurs
Duquesne University Duquesneoldcampus.png Thursday, October 05, 1978 Bluff Street at University Administration Building, Pittsburgh
40°26′08″N 79°59′34″W / 40.4355°N 79.99285°W / 40.4355; -79.99285 (Duquesne University)
City Education, Ethnic & Immigration, Religion
Elizabeth Elizabeth and west elizabeth.jpg Friday, December 20, 1946 Between exit ramp of PA 51 and Elizabeth Bridge, Elizabeth
40°16′21″N 79°53′06″W / 40.2724°N 79.88489°W / 40.2724; -79.88489 (Elizabeth)
Roadside Business & Industry, Transportation
Ethelbert Nevin Ethelbert Nevin in high collar.jpg Friday, May 07, 1948 Ohio River Boulvard (PA 65) at Edgeworth Lane, east side, Edgeworth
40°32′57″N 80°11′48″W / 40.54917°N 80.19664°W / 40.54917; -80.19664 (Ethelbert Nevin)
Roadside Music & Theater, Writers
Ethelbert Nevin 1940NevinStamp.jpg Friday, May 07, 1948 Ohio River Boulevard (PA 65), west side, at Edgeworth Lane (MISSING)
Roadside Music & Theater
Ferris Wheel Inventor GWFerris.jpg 1967 West Commons, Arch Street near South Diamond (MARKER NOT YET REINSTALLED)
City George Washington, Invention, Professions & Vocations, Sports
First Aluminum Observatory Dome TransparentPlaceholder.png Saturday, June 27, 1998 Between West View Avenue & McKnight Road (Truck US 19), Ross Township
40°29′59″N 80°00′46″W / 40.499846°N 80.012819°W / 40.499846; -80.012819 (First Aluminum Observatory Dome)
Roadside Education, Environment, Invention, Medicine & Science
First Mining of Pittsburgh Coal MtWashingtonPittsburgh.jpg Thursday, April 18, 1985 Grandview Avenue between Ulysses & Bertha Streets, Mt. Washington (Pittsburgh)
40°26′04″N 80°00′41″W / 40.43438°N 80.01127°W / 40.43438; -80.01127 (First Mining of Pittsburgh Coal)
City Business & Industry, Coal
First Professional Football Game Pudge heffelfinger.jpg Tuesday, November 03, 1992 North Shore Drive & Art Rooney Drive, near Heinz Field, North Shore (Pittsburgh)
40°26′44″N 80°00′49″W / 40.44546°N 80.0137°W / 40.44546; -80.0137 (First Professional Football Game)
Roadside Football, Sports
First World Series Exposition Park Pittsburgh 1903.jpg Friday, September 18, 1998 Riverwalk near PNC Park and the water steps, North Shore (Pittsburgh)
40°26′43″N 80°00′33″W / 40.445401°N 80.009171°W / 40.445401; -80.009171 (First World Series)
Roadside Baseball, Sports
Forbes Field Forbes Field exterior.jpg Friday, July 07, 2006 3950 Roberto Clemente Drive near South Bouquet Street, by remaining Forbes Field wall, Pitt campus, Oakland (Pittsburgh)
40°26′29″N 79°57′10″W / 40.44146°N 79.95282°W / 40.44146; -79.95282 (Forbes Field)
Roadside Baseball, Football, Sports
Forbes Road (Bouquet's Breastworks) TransparentPlaceholder.png Wednesday, July 09, 1952 Old Frankstown Road, at Boyce Park Administration Building, Monroeville
40°27′36″N 79°45′10″W / 40.45997°N 79.7528°W / 40.45997; -79.7528 (Forbes Road Bouquet's Breastworks)
Roadside French & Indian War, Military
Forbes Road, 1758, Fort Bedford to Fort Duquesne - Fort Duquesne End (PLAQUE) FortDuquesne.jpg 1930 Point State Park, between Fort Pitt Museum & Blockhouse, Pittsburgh
40°26′28″N 80°00′35″W / 40.44109°N 80.00967°W / 40.44109; -80.00967 (Forbes Road, 1758, Fort Bedford to Fort Duquesne - Fort Duquesne End)
Plaque Forts, French & Indian War, Military, Roads
Forbes Road, 1758, Fort Bedford to Fort Duquesne - The Bouquet Encampment (PLAQUE) TransparentPlaceholder.png 1930 PA 380 (Saltsburg & Frankstown Roads), Petermans Corner, Penn Hills Township
40°29′03″N 79°49′09″W / 40.4842°N 79.81918°W / 40.4842; -79.81918 (Forbes Road, 1758, Fort Bedford to Fort Duquesne - The Bouquet Encampment)
Plaque French & Indian War, Military, Roads
Fort Duquesne Duquesne outline.JPG Friday, May 08, 1959 Point State Park, main entrance at Commonwealth Place, Pittsburgh (MISSING)
City Forts, French & Indian War, Military
Fort Lafayette Ft Lafayette marker Pittsb jeh.jpg Monday, December 1, 1958 9th Street just north of Penn Avenue, Pittsburgh
40°26′37″N 79°59′54″W / 40.4437°N 79.99834°W / 40.4437; -79.99834 (Fort Lafayette)
City Forts, Military, Native American, War of 1812
Fort Pitt Fort Pitt in 1776.jpg Friday, May 8, 1959 Point State Park, main entrance Commonwealth Place, Pittsburgh (MISSING)
City Forts, French & Indian War, Military
Fort Pitt Blockhouse Bouquet blockhouse.JPG Friday, May 8, 1959 Point State Park, main entrance Commonwealth Place, Pittsburgh (MISSING)
City Forts, French & Indian War, Military
Fort Prince George TransparentPlaceholder.png Friday, May 8, 1959 Point State Park, main entrance Commonwealth Place, Pittsburgh (MISSING)
City Forts, French & Indian War, George Washington, Military
Founding Convention of the AFL MellonSquarePittsburgh.jpg Wednesday, September 24, 1997 Northwest corner of Mellon Park, between 5th & 6th Streets, opposite William Penn Hotel, Pittsburgh
40°26′27″N 79°59′51″W / 40.4409°N 79.9975°W / 40.4409; -79.9975 (Founding Convention of the AFL)
City Labor
Founding Convention of the CIO TransparentPlaceholder.png Tuesday, September 23, 1997 North Commons Drive, at MLK Elementary, near Allegheny Center, Pittsburgh
40°27′16″N 80°00′16″W / 40.45433°N 80.00448°W / 40.45433; -80.00448 (Founding Convention of the CIO)
City Labor
Founding of Ironworkers Union TransparentPlaceholder.png Saturday, May 22, 1999 At Firstside Park, Grant Street, between Boulevard of the Allies and 1st Avenue, Pittsburgh
40°26′12″N 79°59′55″W / 40.43665°N 79.99854°W / 40.43665; -79.99854 (Founding of Ironworkers Union)
City Iron, Labor
Frances Perkins Fcperkins.jpg Saturday, October 4, 2003 Southwest corner of 9th Avenue & Amity Street, at police station, Homestead
40°24′23″N 79°54′37″W / 40.40628°N 79.91019°W / 40.40628; -79.91019 (Frances Perkins)
City Government & Politics 20th Century, Labor, Steel, Women
Frank Conrad (1874-1941) Frankconrad.jpg Saturday, December 1, 1990 PA 8 (Penn Avenue) & South Trenton Avenue, Wilkinsburg
40°26′45″N 79°53′29″W / 40.445818°N 79.891436°W / 40.445818; -79.891436 (Frank Conrad)
City Business & Industry, Entrepreneurs
Frank E. Bolden (1912-2003) TransparentPlaceholder.png Thursday, September 30, 2004 2621 Centre Avenue, across from YMCA, Hill District (Pittsburgh)
40°26′48″N 79°58′04″W / 40.4468°N 79.96774°W / 40.4468; -79.96774 (Frank E. Bolden)
City African American, Military Post-Civil War, Publishing, Writers
Frank Vittor (1888-1968) Christopher Columbus monument in Schenley Park 2.JPG Sunday, October 12, 2008 At Columbus statue in Schenley Park, Schenley Drive & Frew Street Extension, Oakland (Pittsburgh)
40°26′26″N 79°56′54″W / 40.440433°N 79.948300°W / 40.440433; -79.948300 (Frank Vittor)
Roadside Artists, Ethnic & Immigration
Gen. Matthew B. Ridgway (1895-1993) Matthew Ridgway.jpg Saturday, November 6, 1999 Fox Chapel High School, 611 Field Club Road, Fox Chapel
40°31′04″N 79°52′03″W / 40.51775°N 79.86756°W / 40.51775; -79.86756 (Gen. Matthew B. Ridgway)
Roadside Military, Military Post-Civil War
George Westinghouse Westinghousebridge.jpg Friday, May 7, 1948 US 30 at west end of George Westinghouse Bridge over Turtle Creek, Turtle Creek
40°23′42″N 79°50′20″W / 40.39487°N 79.83875°W / 40.39487; -79.83875 (George Westinghouse)
Roadside Business & Industry, Electricity, Entrepreneurs, Invention
George Westinghouse George Westinghouse.jpg Monday, December 23, 1946 US 30 at east end of George Westinghouse Bridge over Turtle Creek, Turtle Creek (MISSING)
Roadside Business & Industry, Electricity, Entrepreneurs, Invention
Great Steel Strike of 1919, The Coming out of the smoke.jpg Friday, September 23, 1994 Braddock Avenue at 14th Street, across from Edgar Thompson Works, Braddock
40°23′55″N 79°51′44″W / 40.39852°N 79.8622°W / 40.39852; -79.8622 (Great Steel Strike of 1919, The)
City Government & Politics, Labor, Steel
Greenlee Field TransparentPlaceholder.png Friday, July 17, 2009 Bedford Avenue & Junilla Street, Hill District (Pittsburgh)
40°27′02″N 79°58′23″W / 40.4506°N 79.973°W / 40.4506; -79.973 (Greenlee Field)
City African American, Football, Sports
Hand's Hospital TransparentPlaceholder.png Tuesday, December 24, 1946 PA 60 (West Steuben Street) at Linden Street, across from Crafton Park, Crafton
40°26′21″N 80°04′24″W / 40.43913°N 80.07339°W / 40.43913; -80.07339 (Hand's Hospital)
Roadside French & Indian War, Military
Heidelberg Raceway and Sports Arena TransparentPlaceholder.png Sunday, July 15, 2012 Washington Pike (PA 50), in front of King's Restaurant, Heidelberg
40°23′15″N 80°05′29″W / 40.387450°N 80.091450°W / 40.387450; -80.091450 (Allegheny Cotton Mill Strikes)
City Performers, Railroads, Sports & Recreation
Helen Richey (1909-1947) Helen Richey 1929.jpg Tuesday, October 1, 2002 Renzie Park, Eden Park Boulevard & Tulip Drive, McKeesport
40°20′26″N 79°49′38″W / 40.34063°N 79.82724°W / 40.34063; -79.82724 (Helen Richey)
Roadside Education, Military, Military Post-Civil War, Professions & Vocations, Transportation, Women
Henry Clay Frick (1848-1919) Henry Clay Frick.jpg Tuesday, December 10, 1946 Grant Street near 5th Avenue, in median at Frick Bldg., Pittsburgh
40°26′21″N 79°59′49″W / 40.43928°N 79.996884°W / 40.43928; -79.996884 (Henry Clay Frick)
City Business & Industry, Coal
Henry J. Heinz (1844-1919) HenryJHeinz.jpeg Wednesday, September 14, 1994 Chestnut & Progress Streets, North Side (Pittsburgh)
40°27′12″N 79°59′34″W / 40.453317°N 79.992673°W / 40.453317; -79.992673 (Henry J. Heinz)
City Business & Industry, Entrepreneurs
Homestead Grays, The HomesteadGrays CapLogo.svg Wednesday, September 27, 2000 Amity Street at The Waterfront, at parking lot and railroad tracks, Homestead
40°24′33″N 79°54′44″W / 40.409218°N 79.912121°W / 40.409218; -79.912121 (Homestead Grays)
Roadside African American, Baseball, Sports
Homestead Strike Homestead riot harpers 3c26046v.png Wednesday, July 1, 1992 880 East Waterfront Drive, Munhall
40°24′46″N 79°53′50″W / 40.41285°N 79.89711°W / 40.41285; -79.89711 (Homestead Strike)
City Government & Politics, Labor
Homestead Strike Victims TransparentPlaceholder.png Sunday, July 11, 1993 At Cemetery, 102 East 22nd & Dewey Streets, Munhall
40°23′51″N 79°54′07″W / 40.39762°N 79.9019°W / 40.39762; -79.9019 (Homestead Strike Victims)
Roadside Labor
Honus Wagner (1874-1955) Honus Wagner (crop).JPG Saturday, August 29, 1998 Mansfield Boulevard & Chartiers Street, Carnegie
40°24′26″N 80°05′20″W / 40.407281°N 80.088843°W / 40.407281; -80.088843 (Honus Wagner)
Roadside Baseball, Ethnic & Immigration, Sports
James Hay Reed TransparentPlaceholder.png Monday, December 1, 1958 Carnegie Science Center (south of North Commons), North Side (Pittsburgh)
40°27′12″N 80°00′21″W / 40.45321°N 80.00587°W / 40.45321; -80.00587 (James Hay Reed)
City Business & Industry, Professions & Vocations
Jane Grey Swisshelm Jane Swisshelm.jpg Monday, September 14, 1959 South Braddock Avenue & New Street, Edgewood, just north of I-376 exit 77
40°25′43″N 79°53′29″W / 40.42867°N 79.89134°W / 40.42867; -79.89134 (Jane Grey Swisshelm)
Roadside Civil Rights, Civil War, Medicine & Science, Women, Writers
Jane Holmes (1805-1885) TransparentPlaceholder.png Tuesday, May 29, 2007 Western PA School for Blind Children, Bayard Street at North Bellefield Avenue, Schenley Farms (Pittsburgh)
40°26′54″N 79°57′11″W / 40.44823°N 79.95295°W / 40.44823; -79.95295 (Jane Holmes)
City Women
John A. Roebling (1806-1869) Smithfield Street Bridge.jpg 1996 Smithfield Street Bridge, Station Square (Pittsburgh)
40°26′00″N 80°00′12″W / 40.43335°N 80.00328°W / 40.43335; -80.00328 (John A. Roebling)
City Bridges, Transportation
John M. Phillips (1861-1953) TransparentPlaceholder.png Saturday, October 31, 2009 St. Pius X Byzantine Catholic Church, 2336 Brownsville Road, Pittsburgh
40°23′18″N 79°59′07″W / 40.3884°N 79.9852°W / 40.3884; -79.9852 (John M. Phillips)
City Government & Politics 19th Century, Government & Politics 20th Century, Professions & Vocations
John Scull (1765-1828) TransparentPlaceholder.png Monday, December 1, 1958 Boulevard of the Allies, just west of Market Street, Pittsburgh
40°26′20″N 80°00′14″W / 40.43902°N 80.00376°W / 40.43902; -80.00376 (John Scull)
City Business & Industry, Professions & Vocations, Publishing
John T. Comès (1873-1922) TransparentPlaceholder.png Sunday, January 27, 2013 St. Agnes Center at Carlow University, 3219 5th Avenue, Oakland (Pittsburgh)
40°21′02″N 79°52′04″W / 40.350572°N 79.86764°W / 40.350572; -79.86764 (John T. Comès (1873-1922))
City Buildings & Architecture, Professions & Vocations, Religion, Writers
Johnny Unitas (1933-2002) JohnnyUnitasSignAutograph1964.jpg Saturday, September 4, 2004 Arsenal Middle School Field, Butler & 40th Streets, Lawrenceville
40°28′06″N 79°57′46″W / 40.46827°N 79.96268°W / 40.46827; -79.96268 (Johnny Unitas)
City Football, Sports
Joshua (Josh) Gibson (1911-1947) TransparentPlaceholder.png Monday, September 23, 1996 2217 Bedford Avenue, Hill District (Pittsburgh)
40°26′55″N 79°58′39″W / 40.44861°N 79.97754°W / 40.44861; -79.97754 (Joshua "Josh" Gibson)
City African American, Baseball, Sports
Joshua Meeks (1731-1818) ForestGlenCondosSign.jpg Wednesday, May 07, 2008 Beaver Grade Road at entrance to Forest Glen Condos, Moon Township
40°30′35″N 80°12′44″W / 40.509622°N 80.212178°W / 40.509622; -80.212178 (Joshua Meeks)
Roadside American Revolution, Early Settlement, Education, Government & Politics 18th Century, Military
K. Leroy Irvis (1916-2006) TransparentPlaceholder.png Thursday, April 3, 2008 2170 Centre Avenue, Hill District (Pittsburgh)(MISSING)
Roadside African American, Civil Rights, Education, Government & Politics 20th Century, Labor
Kennedy-Nixon Taft-Hartley Debate TransparentPlaceholder.png Saturday, June 23, 2012 5th Avenue at Market Street (PA 148), McKeesport
40°21′02″N 79°52′04″W / 40.350572°N 79.86764°W / 40.350572; -79.86764 (Kennedy-Nixon Taft-Hartley Debate)
City Politics, Labor Unions
Kennywood Park NewGates.jpg Wednesday, August 5, 1992 Just outside North Gate Entrance from parking lot, West Mifflin
40°23′09″N 79°51′56″W / 40.3857°N 79.86564°W / 40.3857; -79.86564 (Kennywood Park)
Roadside Sports
Kier Refinery TransparentPlaceholder.png Monday, March 16, 1959 Small park near Chatham/Bigelow Square, between Bigelow Boulevard & 7th Avenue, Pittsburgh
40°26′29″N 79°59′39″W / 40.44145°N 79.99405°W / 40.44145; -79.99405 (Kier Refinery)
City Business & Industry, Entrepreneurs
Kuskusky Path TrinityGermanEvangelicalLutheranChurch.jpg Sunday, August 24, 2008 2500 Brandt School Road, at Trinity Lutheran Church, Wexford (Franklin Park)
40°36′07″N 80°04′49″W / 40.601906°N 80.080242°W / 40.601906; -80.080242 (Kuskusky Path)
Roadside Early Settlement, Military, Native American, Paths & Trails, Transportation
Lewis and Clark Expedition Lewis and Clark 1954 Issue-3c.jpg Thursday, August 28, 2008 1 block north of 10th Street Bypass & Waterfront Drive intersection, Pittsburgh
40°26′49″N 79°59′43″W / 40.447°N 79.9952°W / 40.447; -79.9952 (Lewis and Clark Expedition)
City Exploration
Martha Graham (1894-1991) Martha Graham 1948.jpg June 7, 2008 California Avenue & Brighton Road North Side (Pittsburgh) (Pittsburgh)
40°27′34″N 80°01′01″W / 40.459427°N 80.016865°W / 40.459427; -80.016865 (Martha Graham)
City Education, Music & Theater, Performers, Women
Martin R. Delany (1812-1885) Delany.jpg May 11, 1995 5 PPG Place, 3rd Avenue & Market Street, Pittsburgh
40°26′22″N 80°00′12″W / 40.43948°N 80.00325°W / 40.43948; -80.00325 (Martin R. Delany)
City African American, Civil War, Military, Professions & Vocations, Publishing
Mary Cassatt (1844-1926) Mary Cassatt-Selfportrait.jpg May 22, 2004 Allegheny and Ridge Avenues, in park, Allegheny Avenue & I-376 on-ramp, North Side (Pittsburgh)
40°26′58″N 80°01′05″W / 40.44937°N 80.01809°W / 40.44937; -80.01809 (Mary Cassatt)
City Artists, Women
Mary Harris "Mother" Jones Mother Jones 1902-11-04.jpg October 4, 2003 Northeast corner of 9th and Amity Streets, (at former municipal building), Homestead
40°24′24″N 79°54′37″W / 40.40654°N 79.91016°W / 40.40654; -79.91016 (Mary Harris "Mother" Jones)
City Government & Politics 20th Century, Labor, Steel, Women
Mary Lou Williams (1910-1981) LincolnElementarySchool.jpg November 30, 1996 Lincoln Elementary School, Frankstown Road, Larimer (Pittsburgh)
40°27′36″N 79°54′44″W / 40.46°N 79.91209°W / 40.46; -79.91209 (Mary Lou Williams)
City African American, Music & Theater, Performers, Women
McClurg Iron Foundry TransparentPlaceholder.png May 11, 1955 Boulevard of the Allies, just west of Market Street (MISSING)
City Buildings, Business & Industry, Military, War of 1812
McKees Rocks Mound TheRocksofMckeesRocksPA.jpg May 18, 2002 Rangers Field, Shingiss & Sproul Streets. The Bottoms, McKees Rocks
40°28′23″N 80°03′06″W / 40.47301°N 80.05156°W / 40.47301; -80.05156 (McKees Rocks Mound)
City Native American
Mercy Hospital UPMC Mercy.JPG May 27, 1994 1400 Locust Street, Pittsburgh
40°26′12″N 79°59′06″W / 40.43665°N 79.98489°W / 40.43665; -79.98489 (Mercy Hospital)
City Education, Professions & Vocations, Religion, Women
Michael A. Musmanno (1897-1968) TransparentPlaceholder.png October 11, 1993 1321 Island Avenue (PA 51), Stowe Township
40°28′57″N 80°04′12″W / 40.48241°N 80.06998°W / 40.48241; -80.06998 (Michael A. Musmanno)
Roadside Government & Politics, Government & Politics 20th Century, Writers
Monongahela River Navigation System TransparentPlaceholder.png June 18, 2012 Elizabeth Lock & Dam, Bunola River Road, Elizabeth
40°15′45″N 79°54′01″W / 40.262597°N 79.900161°W / 40.262597; -79.900161 (Monongahela River Navigation System)
Roadside Business & Industry, Coal, Government & Politics 19th Century, Iron & Steel, Navigation, Transportation
Mooncrest MooncrestPA.jpg April 15, 2004 Mooncrest Drive at Old Thorn Run Road, Moon Twp.
40°31′18″N 80°11′28″W / 40.521625°N 80.191103°W / 40.521625; -80.191103 (Mooncrest)
City Business & Industry, Government & Politics 20th Century, Labor, Military, Military Post-Civil War
National Negro Opera Company NationalNegroOperaCompanyHouse.jpg September 25, 1994 7101 Apple Street, Homewood (Pittsburgh)
40°27′51″N 79°53′45″W / 40.4642°N 79.89571°W / 40.4642; -79.89571 (National Negro Opera Company)
City African American, Music & Theater
National Tube Works TransparentPlaceholder.png January 15, 1991 575 Lysle Boulevard (PA 148), at subway entrance to plant, McKeesport
40°21′08″N 79°51′37″W / 40.35215°N 79.8604°W / 40.35215; -79.8604 (National Tube Works)
City Business & Industry, Oil & Gas
Neville House Woodville plantation house, Heidelberg, PA.jpg August 12, 1947 PA 50 just south of Woodville, Heidelberg
40°22′46″N 80°05′46″W / 40.37939°N 80.09621°W / 40.37939; -80.09621 (Neville House)
Roadside American Revolution, Houses & Homesteads, Military, Whiskey Rebellion
Old St. Luke's Church OldSt.LukesEpiscopalChurch.jpg July 14, 2001 330 Old Washington Pike & Church Street, Scott Township
40°23′04″N 80°05′26″W / 40.38449°N 80.09067°W / 40.38449; -80.09067 (Old St. Luke's Church)
Roadside Buildings, Early Settlement, French & Indian War, Military, Religion, Whiskey Rebellion
Pennsylvania Canal TransparentPlaceholder.png December 1, 1958 Liberty Avenue at 11th Street (at the Pennsylvanian), Pittsburgh
40°26′38″N 79°59′34″W / 40.44398°N 79.99289°W / 40.44398; -79.99289 (Pennsylvania Canal)
City Canals, Navigation, Transportation
Pioneer Short-Wave Station TransparentPlaceholder.png November 2, 1997 Barclay Avenue, off Greensburg Pike, Forest Hills
40°25′06″N 79°50′29″W / 40.41831°N 79.84138°W / 40.41831; -79.84138 (Pioneer Short-Wave Station)
City Business & Industry
Pittsburgh Flag of Pittsburgh, Pennsylvania.png December 21, 1946 PA 51 at south city line, near Stewart Avenue (MISSING)
Roadside Cities & Towns, Early Settlement, Forts, Government & Politics, Steel
Pittsburgh Pittsburgh 1856.jpg December 18, 1946 4675 Steubenville Pike (PA 60) at West Steuben Street, at bridge and Sharp Edge Creekhouse restaurant, Thornburg
40°26′25″N 80°04′50″W / 40.44041°N 80.08066°W / 40.44041; -80.08066 (Pittsburgh)
Roadside Cities & Towns, Early Settlement, Forts, Government & Politics, Steel
Pittsburgh Pittsburgh 1874 Otto Krebs.jpg December 23, 1946 PA 65 (Ohio River Boulevard), north city line (MISSING)
Roadside Cities & Towns, Early Settlement, Forts, Government & Politics, Steel
Pittsburgh Pittsburgh in 1902.JPG December 18, 1946 US 30 (Ardmore Boulevard) westbound at park, Forest Hills
40°25′26″N 79°51′27″W / 40.423907°N 79.857575°W / 40.423907; -79.857575 (Pittsburgh) -->
Roadside Cities & Towns, Early Settlement, Forts, Government & Politics, Steel
Pittsburgh Pittsburgh WEO Night 1.jpg December 18, 1946 PA 8 & PA 28, Millvale (MISSING)
Roadside Cities & Towns, Early Settlement, Forts, Government & Politics, Steel
Pittsburgh Allegheny Monongahela Ohio.jpg December 21, 1946 Perrysville Road (US 19), near St. Benedict's Academy, north of city line (MISSING)
Roadside Cities & Towns
Pittsburgh Duquesne Incline from top.jpg December 18, 1946 PA 65 at north city line (MISSING)
Roadside Cities & Towns
Pittsburgh PittSkyline082904.jpg December 18, 1946 US 19 north of city line (MISSING)
Roadside Cities & Towns
Pittsburgh Agreement (The) TransparentPlaceholder.png May 31, 2001 Penn Avenue & 7th Street, Pittsburgh
40°26′35″N 80°00′01″W / 40.44312°N 80.000314°W / 40.44312; -80.000314 (Pittsburgh Agreement, The)
City Ethnic & Immigration, Government & Politics 20th Century
Pittsburgh Glass Works TransparentPlaceholder.png October 2, 1997 Foot of Duquesne Incline, West Carson Street, Pittsburgh
40°26′23″N 80°01′03″W / 40.43986°N 80.0174°W / 40.43986; -80.0174 (Pittsburgh Glass Works)
City Business & Industry, Glass
Pittsburgh Grease Plant TransparentPlaceholder.png September 18, 2000 33rd Street & Smallman Street, Strip District (Pittsburgh)
40°27′45″N 79°58′09″W / 40.46258°N 79.96909°W / 40.46258; -79.96909 (Pittsburgh Grease Plant)
City Business & Industry, Military, Military Post-Civil War, Oil & Gas, Transportation
Pittsburgh Plate Glass Company PPGPlaceIceRink.jpg October 19, 1983 Plaza of PPG Place, between 4th Avenue & Market Square, Pittsburgh
40°26′25″N 80°00′10″W / 40.44017°N 80.00288°W / 40.44017; -80.00288 (Pittsburgh Plate Glass Company)
City Business & Industry, Glass
Pittsburgh Platform TransparentPlaceholder.png October 10, 2007 Stockton Avenue at Concordia Club, East Park (North Side), Pittsburgh
40°27′03″N 80°00′07″W / 40.4509°N 80.0019°W / 40.4509; -80.0019 (Pittsburgh Platform)
City Religion
Polish Army PolishFalconsBuildingPittsburgh.jpg April 3, 1960 Polish Falcons, 97 South 18th Street, South Side Flats (Pittsburgh)
40°25′41″N 79°58′49″W / 40.428158°N 79.980289°W / 40.428158; -79.980289 (Polish Army)
City Ethnic & Immigration, Military, Military Post-Civil War
Presston TransparentPlaceholder.png August 22, 2009 Ohio & Center Streets, Presston, Stowe Township
40°28′58″N 80°03′46″W / 40.482711°N 80.062904°W / 40.482711; -80.062904 (Presston)
Roadside Ethnic & Immigration, Government & Politics 20th Century, Labor, Steel
Queen Aliquippa TransparentPlaceholder.png October 26, 2003 2928 Highland Avenue, Highland Grove Park, near 2918 Bowman Avenue, McKeesport
40°21′35″N 79°50′00″W / 40.35983°N 79.83326°W / 40.35983; -79.83326 (Queen Aliquippa)
Roadside French & Indian War, George Washington, Government & Politics 18th Century, Military, Native American, Women
Rachel Carson Rachel-Carson.jpg May 20, 1988 Pittsburgh Street at Colfax Street, Springdale
40°32′28″N 79°47′02″W / 40.54105°N 79.78399°W / 40.54105; -79.78399 (Rachel Carson)
City Environment, Medicine & Science, Women, Writers
Radio Station KDKA KDKAGateway.jpg November 30, 1990 KDKA Headquarters, 1 Gateway Center, Pittsburgh
40°26′33″N 80°00′20″W / 40.44255°N 80.00543°W / 40.44255; -80.00543 (Radio Station KDKA)
City Business & Industry
Railroad Strike of 1877 Harpers 8 11 1877 Destruction of the Union Depot.jpg September 23, 1997 Liberty Avenue at 28th Street (on traffic island), Strip District (Pittsburgh)
40°27′22″N 79°58′30″W / 40.45618°N 79.97491°W / 40.45618; -79.97491 (Railroad Strike of 1877)
City Labor, Railroads, Transportation
Robert Lee Vann (1879-1940) TransparentPlaceholder.png July 13, 1997 Center Avenue, at Francis Street, Hill District (Pittsburgh)
40°26′49″N 79°58′03″W / 40.447057°N 79.967413°W / 40.447057; -79.967413 (Robert Lee Vann)
City African American, Government & Politics, Government & Politics 20th Century, Professions & Vocations, Publishing
Salk Polio Vaccine SalkatPitt.jpg April 12, 2005 Salk Hall, University of Pittsburgh, Terrace Street at Sutherland Drive (across from Peterson Events Ctr.), Oakland (Pittsburgh)
40°26′34″N 79°57′44″W / 40.442763°N 79.96209°W / 40.442763; -79.96209 (Salk Polio Vaccine)
Roadside Invention, Medicine & Science
Shadyside Iron Furnace TransparentPlaceholder.png December 1, 1958 Southeat corner of Bayard Street & Amberson Avenue, at Winchester-Thurston High School field, Shadyside (Pittsburgh)
40°27′08″N 79°56′30″W / 40.4521°N 79.94173°W / 40.4521; -79.94173 (Shadyside Iron Furnace)
City Business & Industry, Furnaces, Iron
Shannopin Town TransparentPlaceholder.png December 1, 1958 40th Street Bridge (west side), Lawrenceville (Pittsburgh)
40°28′10″N 79°57′49″W / 40.46953°N 79.96358°W / 40.46953; -79.96358 (Shannopin Town)
City Early Settlement, Native American
Shousetown Boatyard TransparentPlaceholder.png June 14, 1987 McGovern Boulevard (PA 51) near Spring Run Road, Honor Roll Park, across from fire departmen, Glenwillard/Crescent Township
40°33′26″N 80°13′15″W / 40.55716°N 80.22081°W / 40.55716; -80.22081 (Shousetown Boatyard)
City Business & Industry, Transportation
Sisters of Mercy TransparentPlaceholder.png December 21, 1993 800 Penn Avenue, Cultural District, (Pittsburgh)
40°26′36″N 79°59′57″W / 40.443448°N 79.999158°W / 40.443448; -79.999158 (Sisters of Mercy)
City Ethnic & Immigration, Religion, Women
Site of the Western Penitentiary - PLAQUE Western Penitentiary Allegheny City PA 1857.jpg 1931 Eagle enclosure at the National Aviary, North Side (Pittsburgh)
40°27′12″N 80°00′37″W / 40.4532°N 80.01015°W / 40.4532; -80.01015 (Site of the Western Penitentiary - PLAQUE)
Plaque Civil War, Military, Police and Safety
Station WQED WQEDHeadquartersPittsburgh.jpg August 20, 1964 4802 5th Avenue, Oakland (Pittsburgh)
40°26′50″N 79°56′40″W / 40.44717°N 79.94453°W / 40.44717; -79.94453 (Station WQED)
City Business & Industry, Education, Motion Pictures & Television
Steamboat "New Orleans" TransparentPlaceholder.png Saturday, October 15, 2011 First Avenue at Try Street, Pittsburgh
40°26′08″N 79°59′47″W / 40.435567°N 79.996250°W / 40.435567; -79.996250 (Steamboat "New Orleans")
City Business & Industry, Exploration, Navigation, Transportation
Stephen C. Foster StephenFoster.jpeg July 4, 1976 3600 Penn Avenue, at homestead (behind fence), Lawrenceville (Pittsburgh)
40°27′51″N 79°57′49″W / 40.46415°N 79.96374°W / 40.46415; -79.96374 (Stephen C. Foster)
Roadside Music & Theater
Stephen C. Foster Memorial PittStephenFosterMemorial front.jpg December 1, 1958 Forbes Avenue just east of Bigelow Boulevard, Oakland (Pittsburgh)
40°26′37″N 79°57′09″W / 40.44354°N 79.95256°W / 40.44354; -79.95256 (Stephen C. Foster Memorial)
City Music & Theater, Writers
Three Rivers Stadium ThreeRiversStadium.jpg November 26, 2007 Art Rooney Avenue, near North Shore Drive, Heinz Field, North Shore (Pittsburgh)
40°26′46″N 80°00′50″W / 40.44602°N 80.01387°W / 40.44602; -80.01387 (Three Rivers Stadium)
Roadside Baseball, Football, Sports
Union Local 471 American Federation of Musicians TransparentPlaceholder.png Saturday, June 23, 2012 Crawford Avenue at Webster Avenue, Hill District (Pittsburgh)
40°26′35″N 79°59′15″W / 40.443100°N 79.987400°W / 40.443100; -79.987400 (Union Local 471 American Federation of Musicians)
Roadside African American, Labor, Music & Theater, Performers
United Steelworkers of America Grant Building Pittsburgh.jpg June 17, 1986 4th Avenue & Grant Street, Pittsburgh
40°26′17″N 79°59′51″W / 40.437941°N 79.997501°W / 40.437941; -79.997501 (United Steelworkers of America)
City Government & Politics 20th Century, Labor, Steel
University of Pittsburgh CathedralLawn1.jpg November 2, 1979 Southeast corner, 5th Avenue & Bigelow Boulevard, Oakland (Pittsburgh)
40°26′40″N 79°57′16″W / 40.44444°N 79.95452°W / 40.44444; -79.95452 (University of Pittsburgh)
City Education
V.F.W. Schenley Hotel.jpg September 16, 1967 5th Avenue & Bigelow Boulevard, at Wm. Pitt Union by bus stop, Oakland, Pittsburgh
40°26′39″N 79°57′16″W / 40.44416°N 79.95458°W / 40.44416; -79.95458 (V.F.W.)
City Military, Military Post-Civil War
Victor Herbert (1859-1924) Victor Herbert.jpg Saturday, August 28, 2010 4400 Forbes Avenue, at Carnegie Mus. near Shakespeare statue, Oakland (Pittsburgh)
40°26′37″N 79°57′05″W / 40.443587°N 79.951356°W / 40.443587; -79.951356 (Victor Herbert)
City Ethnic & Immigration, Performers
Westinghouse Atom Smasher TransparentPlaceholder.png Friday, June 3, 2005 North Avenue at F Avenue, Forest Hills
40°24′38″N 79°50′32″W / 40.410474°N 79.842308°W / 40.410474; -79.842308 (Westinghouse Atom Smasher)
City Environment, Invention, Science & Medicine
Westinghouse Electric Corporation Westinghouse Electric Company (1888 catalogue).jpg October 1, 1986 Westinghouse Plaza by First Niagara Building, Pittsburgh
40°26′22″N 80°00′22″W / 40.439350°N 80.006217°W / 40.439350; -80.006217 (Westinghouse Electric Corporation)
City Business & Industry, Electricity
Westinghouse Railroad Air Brake TransparentPlaceholder.png Saturday, July 23, 2011 Liberty Avenue at 25th Street at Opera House, Strip District (Pittsburgh)
40°27′12″N 79°58′45″W / 40.45334°N 79.979277°W / 40.45334; -79.979277 (Westinghouse Railroad Air Brake)
City Invention, Railroads, Transportation
William "Billy" Strayhorn (1915-1967) BillyStrayhorn1958.jpg May 27, 1995 1101 North Murtland Street, at Westinghouse High School, Homewood (Pittsburgh)
40°27′38″N 79°54′01″W / 40.4606°N 79.9003°W / 40.4606; -79.9003 (William "Billy" Strayhorn)
City African American, Music & Theater
William D. Boyce (1858-1929) William Boyce.png June 11, 1960 595 Beatty Road, Boyce Campus of Community College of Allegheny County, Monroeville
40°27′15″N 79°45′13″W / 40.45407°N 79.75371°W / 40.45407; -79.75371 (William D. Boyce)
Roadside Education
William T. Kerr (1868-1953) TransparentPlaceholder.png June 12, 1992 4 Columbia Avenue at Noblestown Road, at bus stop, Rennersdale
40°23′53″N 80°08′24″W / 40.39809°N 80.14012°W / 40.39809; -80.14012 (William T. Kerr)
Roadside Government & Politics, Government & Politics 20th Century
Work Accidents and the Law (1910) CrystalEastman.jpeg April 28, 2008 Market Square, Pittsburgh
40°26′26″N 80°00′10″W / 40.440488°N 80.002669°W / 40.440488; -80.002669 (Work Accidents and the Law 1910)
City Business & Industry, Government & Politics 20th Century, Labor, Women, Writers
Yohogania Courthouse LobbsCemeteryandYohoganiaCountyCourthouseSite.jpg June 10, 1948 PA 837 southwest of West Elizabeth
40°15′41″N 79°54′42″W / 40.261517°N 79.911650°W / 40.261517; -79.911650 (Yohogania Courthouse)
Roadside Government & Politics, Government & Politics 18th Century

See also[edit]

References[edit]

  1. ^ "PHMC Historical Markers Search" (Searchable database). Pennsylvania Historical and Museum Commission. Commonwealth of Pennsylvania. Retrieved 2010-07-19. 

External links[edit]