National Register of Historic Places listings in Dubuque County, Iowa

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Location of Dubuque County in Iowa

This is a list of the National Register of Historic Places listings in Dubuque County, Iowa.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Dubuque County, Iowa, United States. Latitude and longitude coordinates are provided for many National Register properties and districts; these locations may be seen together in a map.[1]

There are 79 properties and districts listed on the National Register in the county, including three National Historic Landmarks.

This National Park Service list is complete through NPS recent listings posted March 17, 2017.[2]

Current listings[edit]

[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Allen House
Allen House
July 10, 1975
(#75000686)
515 1st Ave., W.
42°29′03″N 91°07′50″W / 42.484167°N 91.130556°W / 42.484167; -91.130556 (Allen House)
Dyersville
2 Andrew-Ryan House
Andrew-Ryan House
April 11, 1985
(#85000720)
1375 Locust
42°30′17″N 90°40′16″W / 42.504722°N 90.671111°W / 42.504722; -90.671111 (Andrew-Ryan House)
Dubuque
3 Basilica of St. Francis Xavier, Church and Rectory
Basilica of St. Francis Xavier, Church and Rectory
September 29, 1999
(#99001205)
114 Second Street, S.W.
42°29′04″N 91°07′33″W / 42.484436°N 91.125803°W / 42.484436; -91.125803 (Basilica of St. Francis Xavier, Church and Rectory)
Dyersville
4 John Bell Block
John Bell Block
December 20, 2002
(#02001540)
1301-07 Central Ave.
42°30′21″N 90°39′59″W / 42.505833°N 90.666389°W / 42.505833; -90.666389 (John Bell Block)
Dubuque
5 Bishop's Block
Bishop's Block
May 19, 1994
(#94000477)
90 W. Main St.
42°29′40″N 90°39′49″W / 42.494444°N 90.663611°W / 42.494444; -90.663611 (Bishop's Block)
Dubuque
6 Carnegie-Stout Public Library
Carnegie-Stout Public Library
August 1, 1975
(#75000684)
11th and Bluff Sts.
42°30′09″N 90°40′12″W / 42.5025°N 90.67°W / 42.5025; -90.67 (Carnegie-Stout Public Library)
Dubuque
7 Cathedral Historic District
Cathedral Historic District
September 25, 1985
(#85002501)
Roughly bounded by a bluffline running west of Bluff St., W. 7th, Locust, and Jones Sts.
42°29′48″N 90°40′03″W / 42.496667°N 90.6675°W / 42.496667; -90.6675 (Cathedral Historic District)
Dubuque It includes 96 contributing buildings, including St. Raphael's Cathedral and United States Post Office and Courthouse (Dubuque, Iowa, 1934).[4]
8 Diamond Jo Boat Store and Office
Diamond Jo Boat Store and Office
November 23, 1977
(#77000512)
Jones and Water Sts.
42°29′35″N 90°39′32″W / 42.49304444°N 90.659025°W / 42.49304444; -90.659025 (Diamond Jo Boat Store and Office)
Dubuque
9 Dubuque Casket Company
Dubuque Casket Company
February 9, 2006
(#06000003)
1798 Washington St.
42°30′37″N 90°39′58″W / 42.510249°N 90.666211°W / 42.510249; -90.666211 (Dubuque Casket Company)
Dubuque
10 Dubuque City Hall
Dubuque City Hall
September 14, 1972
(#72000472)
50 W. 13th St.
42°30′19″N 90°40′03″W / 42.505278°N 90.6675°W / 42.505278; -90.6675 (Dubuque City Hall)
Dubuque
11 Dubuque County Courthouse
Dubuque County Courthouse
June 23, 1971
(#71000298)
720 Central Ave.
42°30′04″N 90°39′52″W / 42.501111°N 90.664444°W / 42.501111; -90.664444 (Dubuque County Courthouse)
Dubuque part of the County Courthouses in Iowa Thematic Resource (TR) (AD)
12 Dubuque County Jail
Dubuque County Jail
June 27, 1972
(#72000473)
36 E. 8th St.
42°30′04″N 90°39′53″W / 42.501111°N 90.664722°W / 42.501111; -90.664722 (Dubuque County Jail)
Dubuque
13 Dubuque Freight House
Dubuque Freight House
October 11, 1979
(#79003693)
E. 3rd St. Extension
42°29′46″N 90°39′37″W / 42.496111°N 90.660278°W / 42.496111; -90.660278 (Dubuque Freight House)
Dubuque
14 Dubuque Millworking Historic District
Dubuque Millworking Historic District
November 7, 2008
(#08001030)
White, Jackson, and Elm between E. 6th and E. 11th Sts.
42°30′11″N 90°39′49″W / 42.5031°N 90.66359°W / 42.5031; -90.66359 (Dubuque Millworking Historic District)
Dubuque part of the Dubuque, Iowa Multiple Property Submission (MPS)
15 Dubuque Star Brewery
Dubuque Star Brewery
April 24, 2007
(#07000348)
500 E. 5th St.
42°29′58″N 90°39′15″W / 42.499444°N 90.654167°W / 42.499444; -90.654167 (Dubuque Star Brewery)
Dubuque part of the Dubuque, Iowa MPS
16 Dubuque Trading Post-Village of Kettle Chief Archeological District
Dubuque Trading Post-Village of Kettle Chief Archeological District
November 21, 1988
(#88002665)
Address Restricted
Dubuque part of the Mines of Spain Archeological MPS
17 Dubuque YMCA Building
Dubuque YMCA Building
January 31, 2002
(#01001541)
125 W. 9th St.
42°30′07″N 90°40′00″W / 42.501944°N 90.666667°W / 42.501944; -90.666667 (Dubuque YMCA Building)
Dubuque
18 Julien Dubuque Bridge
Julien Dubuque Bridge
August 27, 1999
(#99001034)
U.S. Route 20 over the Mississippi River
42°29′30″N 90°39′17″W / 42.491667°N 90.654722°W / 42.491667; -90.654722 (Julien Dubuque Bridge)
Dubuque part of the Highway Bridges of Iowa MPS
19 Julien Dubuque Monument
Julien Dubuque Monument
November 21, 1988
(#88002662)
Confluence of the Mississippi River and Catfish Creek in Mines of Spain State Recreation Area
42°28′07″N 90°38′47″W / 42.468611°N 90.646389°W / 42.468611; -90.646389 (Julien Dubuque Monument)
Dubuque part of the Mines of Spain Archeological MPS
20 Dunleith and Dubuque Bridge
Dunleith and Dubuque Bridge
September 11, 2013
(#13000690)
7600 Chavenelle Drive
42°29′21″N 90°46′33″W / 42.489166°N 90.775860°W / 42.489166; -90.775860 (Dunleith and Dubuque Bridge)
Dubuque
21 Epworth School Upload image
April 21, 2004
(#04000340)
310 W. Main St.
42°26′46″N 90°56′08″W / 42.446111°N 90.935556°W / 42.446111; -90.935556 (Epworth School)
Epworth
22 Fenelon Place Residential Historic District
Fenelon Place Residential Historic District
November 16, 2015
(#15000787)
Hill St., 3 & 5th Sts., W., Fenelon Pl., Fenelon Place Elevator
42°29′46″N 90°40′11″W / 42.4962°N 90.6697°W / 42.4962; -90.6697 (Fenelon Place Residential Historic District)
Dubuque
23 Fenelon Place Elevator
Fenelon Place Elevator
August 3, 1978
(#78001215)
512 Fenelon Pl.
42°29′47″N 90°40′08″W / 42.496389°N 90.668889°W / 42.496389; -90.668889 (Fenelon Place Elevator)
Dubuque
24 Four Mounds Estate Historic District
Four Mounds Estate Historic District
January 24, 2002
(#01001487)
4900 Peru Rd.
42°33′21″N 90°40′51″W / 42.555833°N 90.680833°W / 42.555833; -90.680833 (Four Mounds Estate Historic District)
Dubuque
25 Four Mounds Site
Four Mounds Site
November 17, 2000
(#00001076)
Address Restricted
Dubuque
26 Garland House
Garland House
July 7, 1983
(#83000353)
1090 Langworthy Ave.
42°29′37″N 90°40′39″W / 42.493611°N 90.6775°W / 42.493611; -90.6775 (Garland House)
Dubuque
27 German Bank
German Bank
March 28, 1978
(#78001216)
342 Main St.
42°29′50″N 90°39′53″W / 42.497222°N 90.664722°W / 42.497222; -90.664722 (German Bank)
Dubuque
28 Grand Opera House
Grand Opera House
September 20, 2002
(#02001029)
135 8th St.
42°30′06″N 90°39′56″W / 42.501667°N 90.665556°W / 42.501667; -90.665556 (Grand Opera House)
Dubuque part of the Footlights in Farm Country: Iowa Opera Houses MPS
29 Haberkorn House and Farmstead
Haberkorn House and Farmstead
January 25, 1980
(#80001449)
West of Sherrill
42°36′24″N 90°49′21″W / 42.606667°N 90.8225°W / 42.606667; -90.8225 (Haberkorn House and Farmstead)
Sherrill
30 Mathias Ham House
Mathias Ham House
July 19, 1976
(#76000764)
2241 Lincoln Ave.
42°31′53″N 90°39′02″W / 42.531389°N 90.650556°W / 42.531389; -90.650556 (Mathias Ham House)
Dubuque
31 Charles T. Hancock House
Charles T. Hancock House
April 10, 1986
(#86000741)
1105 Grove Terr.
42°30′10″N 90°40′17″W / 42.502778°N 90.671389°W / 42.502778; -90.671389 (Charles T. Hancock House)
Dubuque
32 Ora Holland House
Ora Holland House
August 14, 1986
(#86001613)
1296 Mt. Pleasant St.
42°30′02″N 90°41′04″W / 42.500437°N 90.684507°W / 42.500437; -90.684507 (Ora Holland House)
Dubuque
33 Hollenfelz House
Hollenfelz House
September 13, 1977
(#77000513)
1651 White St.
42°30′30″N 90°40′05″W / 42.508333°N 90.668056°W / 42.508333; -90.668056 (Hollenfelz House)
Dubuque
34 Holy Ghost Catholic Historic District
Holy Ghost Catholic Historic District
September 15, 2011
(#11000661)
2887-2921 Central Ave.
42°31′26″N 90°40′46″W / 42.523889°N 90.679444°W / 42.523889; -90.679444 (Holy Ghost Catholic Historic District)
Dubuque part of the Dubuque, Iowa MPS
35 Interstate Power Company Building Upload image
June 26, 2008
(#08000328)
1000 Main and 131 W. 10th St.
42°30′09″N 90°40′05″W / 42.50255°N 90.66803°W / 42.50255; -90.66803 (Interstate Power Company Building)
Dubuque part of the Dubuque, Iowa MPS
36 Jackson Park Historic District
Jackson Park Historic District
July 31, 1986
(#86002102)
Roughly bounded by 17th, Iowa, 10th and 9th, and Bluff and Montrose Sts.
42°30′21″N 90°40′12″W / 42.505833°N 90.67°W / 42.505833; -90.67 (Jackson Park Historic District)
Dubuque
37 Kelley House
Kelley House
January 30, 1978
(#78001217)
274 Southern Ave.
42°29′07″N 90°39′51″W / 42.485278°N 90.664167°W / 42.485278; -90.664167 (Kelley House)
Dubuque
38 Zephaniah Kidder House
Zephaniah Kidder House
November 14, 1978
(#78001218)
206 First Avenue, N.E.
42°26′47″N 90°55′44″W / 42.446389°N 90.928889°W / 42.446389; -90.928889 (Zephaniah Kidder House)
Epworth
39 Langworthy Historic District
Langworthy Historic District
August 12, 2004
(#04000813)
Langworthy, W. 3rd, Melrose Terrace, Hill and W. 5th, Alpine and Walnut between Solon and W. 5th
42°29′42″N 90°40′40″W / 42.495°N 90.677778°W / 42.495; -90.677778 (Langworthy Historic District)
Dubuque part of the Dubuque, Iowa MPS
40 Langworthy House
Langworthy House
October 14, 1975
(#75000685)
1095 West Third Street
42°29′42″N 90°40′45″W / 42.495°N 90.679167°W / 42.495; -90.679167 (Langworthy House)
Dubuque
41 Lincoln School Upload image
July 24, 1975
(#75000687)
About 4 miles (6.4 km) north of Farley
42°29′24″N 90°59′07″W / 42.49°N 90.985278°W / 42.49; -90.985278 (Lincoln School)
Farley
42 Lock and Dam No. 11 Historic District
Lock and Dam No. 11 Historic District
March 10, 2004
(#04000171)
11 Lime St.
42°32′03″N 90°38′44″W / 42.53411°N 90.64542°W / 42.53411; -90.64542 (Lock and Dam No. 11 Historic District)
Dubuque part of the Upper Mississippi River 9-Foot Navigation Project MPS
43 T. Ben Loetscher House
T. Ben Loetscher House
November 2, 1989
(#89001777)
160 S. Grandview Ave.
42°29′25″N 90°41′02″W / 42.490278°N 90.683889°W / 42.490278; -90.683889 (T. Ben Loetscher House)
Dubuque
44 McMahon House
McMahon House
November 21, 1976
(#76000765)
800 English Lane
42°28′48″N 90°40′19″W / 42.48°N 90.671944°W / 42.48; -90.671944 (McMahon House)
Dubuque
45 Memorial Building
Memorial Building
April 9, 2013
(#13000148)
340 1st Ave., E.
42°29′05″N 91°07′15″W / 42.48463°N 91.120751°W / 42.48463; -91.120751 (Memorial Building)
Dyersville
46 Mines of Spain Area Rural Community Archeological District
Mines of Spain Area Rural Community Archeological District
November 21, 1988
(#88002663)
Address Restricted
Dubuque part of the Mines of Spain Archeological MPS
47 Mines of Spain Lead Mining Community Archeological District
Mines of Spain Lead Mining Community Archeological District
November 21, 1988
(#88002664)
Address Restricted
Dubuque part of the Mines of Spain Archeological MPS
48 Mines of Spain Prehistoric District
Mines of Spain Prehistoric District
November 21, 1988
(#88002666)
Address Restricted
Dubuque part of the Mines of Spain Archeological MPS
49 Mount Saint Bernard Seminary and Barn
Mount Saint Bernard Seminary and Barn
November 5, 1974
(#74000784)
10336 Military Rd.
42°26′36″N 90°41′36″W / 42.443333°N 90.693333°W / 42.443333; -90.693333 (Mount Saint Bernard Seminary and Barn)
Dubuque
50 Old Chapel Hall
Old Chapel Hall
August 5, 1983
(#83000355)
2050 University Ave.
42°29′55″N 90°41′34″W / 42.498611°N 90.692778°W / 42.498611; -90.692778 (Old Chapel Hall)
Dubuque
51 Old Main Historic District
Old Main Historic District
January 12, 1983
(#83000356)
Main St. between 1st and 4th Sts.
42°29′47″N 90°39′53″W / 42.496389°N 90.664722°W / 42.496389; -90.664722 (Old Main Historic District)
Dubuque Boundary increase 2010-10-13
52 Orpheum Theatre and Site
Orpheum Theatre and Site
November 14, 1972
(#72000474)
405 Main St.
42°29′52″N 90°39′55″W / 42.497778°N 90.665278°W / 42.497778; -90.665278 (Orpheum Theatre and Site)
Dubuque
53 Johann Christian Frederick Rath House
Johann Christian Frederick Rath House
April 11, 1977
(#77000514)
1204 Mt. Loretta Ave.
42°29′04″N 90°40′29″W / 42.484444°N 90.674722°W / 42.484444; -90.674722 (Johann Christian Frederick Rath House)
Dubuque
54 Redstone
Redstone
December 12, 1976
(#76000766)
504 Bluff St.
42°29′49″N 90°40′03″W / 42.496944°N 90.6675°W / 42.496944; -90.6675 (Redstone)
Dubuque
55 George W. Rogers Company Shot Tower
George W. Rogers Company Shot Tower
November 7, 1976
(#76000767)
Commercial St. and riverfront
42°30′01″N 90°39′18″W / 42.500278°N 90.655°W / 42.500278; -90.655 (George W. Rogers Company Shot Tower)
Dubuque
56 Roshek Brothers Department Store
Roshek Brothers Department Store
March 17, 2010
(#10000076)
250 W. 8th St.
42°30′01″N 90°40′08″W / 42.500386°N 90.668806°W / 42.500386; -90.668806 (Roshek Brothers Department Store)
Dubuque
57 Round Barn, Dubuque Township
Round Barn, Dubuque Township
June 30, 1986
(#86001425)
2810 Cascade Rd.
42°28′24″N 90°42′27″W / 42.473333°N 90.7075°W / 42.473333; -90.7075 (Round Barn, Dubuque Township)
Dubuque Township part of the Iowa Round Barns: The Sixty Year Experiment TR
58 St. Boniface of New Vienna Historic District
St. Boniface of New Vienna Historic District
September 29, 1999
(#99001207)
7401 Columbus St.
42°33′03″N 91°06′54″W / 42.550833°N 91.115°W / 42.550833; -91.115 (St. Boniface of New Vienna Historic District)
New Vienna
59 St. Luke's Methodist Episcopal Church
St. Luke's Methodist Episcopal Church
April 23, 1998
(#98000387)
1199 Main St.
42°30′13″N 90°40′09″W / 42.503611°N 90.669167°W / 42.503611; -90.669167 (St. Luke's Methodist Episcopal Church)
Dubuque
60 St. Mary's Catholic Church Historic District
St. Mary's Catholic Church Historic District
July 21, 2015
(#15000436)
105 E. 15th, 1584 White, 1501 & 1561 Jackson Sts.
42°30′29″N 90°40′01″W / 42.507990°N 90.666916°W / 42.507990; -90.666916 (St. Mary's Catholic Church Historic District)
Dubuque
61 Sauser-Lane House
Sauser-Lane House
July 14, 1983
(#83000354)
101 2nd Ave., SW.
42°17′52″N 91°00′43″W / 42.297778°N 91.011944°W / 42.297778; -91.011944 (Sauser-Lane House)
Cascade
62 Schroeder-Klein Grocery Company Warehouse
Schroeder-Klein Grocery Company Warehouse
February 28, 2011
(#11000051)
40-48 Main St.
42°29′34″N 90°39′46″W / 42.492778°N 90.662778°W / 42.492778; -90.662778 (Schroeder-Klein Grocery Company Warehouse)
Dubuque part of the Dubuque, Iowa MPS
63 John and Marie (Palen) Schrup Farmstead Historic District
John and Marie (Palen) Schrup Farmstead Historic District
September 16, 2009
(#09000713)
10086 Lake Eleanor Rd.
42°25′24″N 90°39′35″W / 42.423294°N 90.659653°W / 42.423294; -90.659653 (John and Marie (Palen) Schrup Farmstead Historic District)
Dubuque
64 Security Building
Security Building
August 8, 2006
(#06000681)
800 Main St.
42°30′04″N 90°40′01″W / 42.501111°N 90.666944°W / 42.501111; -90.666944 (Security Building)
Dubuque part of the Dubuque, Iowa MPS
65 Seminary Hill Residential Historic District
Seminary Hill Residential Historic District
October 13, 2015
(#15000723)
Clarke Dr., N. Main & Madison Sts., Madison Park
42°30′33″N 90°40′19″W / 42.5092°N 90.6719°W / 42.5092; -90.6719 (Seminary Hill Residential Historic District)
Dubuque
66 Sherrill Mount House
Sherrill Mount House
July 11, 2002
(#02000760)
5259 S. Mound Rd.
42°36′15″N 90°47′33″W / 42.604167°N 90.7925°W / 42.604167; -90.7925 (Sherrill Mount House)
Sherrill 1856; Jesse James reportedly stayed here; now the Black Horse Inn
67 J.H. Thedinga House
J.H. Thedinga House
November 7, 1976
(#76000768)
340 W. 5th St.
42°29′51″N 90°40′04″W / 42.4975°N 90.667778°W / 42.4975; -90.667778 (J.H. Thedinga House)
Dubuque
68 Town Clock Building
Town Clock Building
January 24, 2002
(#01001488)
823-25 Main St.
42°30′04″N 90°40′02″W / 42.501111°N 90.667222°W / 42.501111; -90.667222 (Town Clock Building)
Dubuque
69 Upper Central Avenue Commercial Historic District
Upper Central Avenue Commercial Historic District
September 19, 2012
(#12000793)
1460-1965 Central Ave.
42°30′32″N 90°40′09″W / 42.508766°N 90.669084°W / 42.508766; -90.669084 (Upper Central Avenue Commercial Historic District)
Dubuque part of the Dubuque, Iowa MPS
70 Upper Iowa Street Historic District
Upper Iowa Street Historic District
October 13, 2015
(#15000724)
Iowa St. between W. 11th & 12th Sts.
42°30′15″N 90°40′03″W / 42.5041°N 90.6676°W / 42.5041; -90.6676 (Upper Iowa Street Historic District)
Dubuque
71 Upper Main Street Historic District
Upper Main Street Historic District
April 11, 2005
(#05000275)
1000 and 1100 blocks of Main St.
• Boundary increase (listed February 11, 2011, refnum 11000003): 909, 951, 955, 965 Main St.

42°30′07″N 90°40′05″W / 42.501944°N 90.668056°W / 42.501944; -90.668056 (Upper Main Street Historic District)
Dubuque part of the Dubuque, Iowa MPS
72 Washington Mill Bridge
Washington Mill Bridge
June 25, 1998
(#98000788)
Creek Branch Ln. over Lytle Creek
42°18′15″N 90°46′49″W / 42.304167°N 90.780278°W / 42.304167; -90.780278 (Washington Mill Bridge)
Bernard part of the Highway Bridges of Iowa MPS
73 Washington Park
Washington Park
July 14, 1977
(#77000515)
Bounded by 6th, 7th, Bluff, and Locust Sts.
42°29′57″N 90°40′05″W / 42.499167°N 90.668056°W / 42.499167; -90.668056 (Washington Park)
Dubuque
74 Washington Street and East 22nd Street Historic District
Washington Street and East 22nd Street Historic District
February 28, 2011
(#11000052)
2162-2255 Washington St. and E. 22nd St.
42°30′52″N 90°40′08″W / 42.514444°N 90.668889°W / 42.514444; -90.668889 (Washington Street and East 22nd Street Historic District)
Dubuque part of the Dubuque, Iowa MPS
75 Washington Residential Historic District
Washington Residential Historic District
October 13, 2015
(#15000725)
1100 - 1900 blks. White, Jackson & Washington Sts.
42°30′27″N 90°39′59″W / 42.5076°N 90.6664°W / 42.5076; -90.6664 (Washington Residential Historic District)
Dubuque
76 West Eleventh Street Historic District
West Eleventh Street Historic District
August 12, 2004
(#04000814)
Bounded by Grove Terrace, Loras Boulevard, and Wilbur and Walnut Sts.
42°30′09″N 90°40′25″W / 42.502392°N 90.673644°W / 42.502392; -90.673644 (West Eleventh Street Historic District)
Dubuque part of the Dubuque, Iowa MPS
77 Western Hotel Upload image
November 7, 1976
(#76000769)
Southeast of Holy Cross on U.S. Route 52
42°35′36″N 90°58′52″W / 42.593333°N 90.981111°W / 42.593333; -90.981111 (Western Hotel)
Holy Cross
78 WILLIAM M. BLACK (dredge)
WILLIAM M. BLACK (dredge)
April 12, 1982
(#82002618)
E. 2nd St.
42°29′44″N 90°39′37″W / 42.495556°N 90.660278°W / 42.495556; -90.660278 (WILLIAM M. BLACK (dredge))
Dubuque
79 Ziepprecht Block
Ziepprecht Block
December 20, 2002
(#02001541)
1347-53 Central Ave.
42°30′21″N 90°39′59″W / 42.505833°N 90.666389°W / 42.505833; -90.666389 (Ziepprecht Block)
Dubuque

Former listings[edit]

[3] Name on the Register Image Date listed Date removed Location City or town Summary
1 Central High School Upload image
September 16, 1982
(#82002617)
September 23, 1987
1500 Locust St.
42°30′23″N 90°40′17″W / 42.506427°N 90.671253°W / 42.506427; -90.671253 (Central High School)
Dubuque
2 White Water Creek Bridge
White Water Creek Bridge
June 25, 1998
(#98000787)
May 9, 2012
Whitewater Rd. over White Water Creek
42°18′16″N 90°54′41″W / 42.304444°N 90.911389°W / 42.304444; -90.911389 (White Water Creek Bridge)
Bernard vicinity Part of the Highway Bridges of Iowa MPS

See also[edit]

References[edit]

  1. ^ The latitude and longitude information provided in this table was derived originally from the National Register Information System, which has been found to be fairly accurate for about 99% of listings. For about 1% of NRIS original coordinates, experience has shown that one or both coordinates are typos or otherwise extremely far off; some corrections may have been made. A more subtle problem causes many locations to be off by up to 150 yards, depending on location in the country: most NRIS coordinates were derived from tracing out latitude and longitudes off of USGS topographical quadrant maps created under the North American Datum of 1927, which differs from the current, highly accurate WGS84 GPS system used by most on-line maps. Chicago is about right, but NRIS longitudes in Washington are higher by about 4.5 seconds, and are lower by about 2.0 seconds in Maine. Latitudes differ by about 1.0 second in Florida. Some locations in this table may have been corrected to current GPS standards.
  2. ^ "National Register of Historic Places: Weekly List Actions". National Park Service, United States Department of the Interior. Retrieved on March 17, 2017.
  3. ^ a b Numbers represent an ordering by significant words. Various colorings, defined here, differentiate National Historic Landmarks and historic districts from other NRHP buildings, structures, sites or objects.
  4. ^ a b National Park Service (2008-04-24). "National Register Information System". National Register of Historic Places. National Park Service. 
  5. ^ The eight-digit number below each date is the number assigned to each location in the National Register Information System database, which can be viewed by clicking the number.