National Register of Historic Places listings in Knox County, Maine

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Location of Knox County in Maine.

This is a list of the National Register of Historic Places listings in Knox County, Maine.

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

There are 92 properties and districts listed on the National Register in the county; 11 of the properties—nine schooners, the Olson House, and the Camden Public Library—are National Historic Landmarks.

This National Park Service list is complete through NPS recent listings posted August 1, 2014.[2]
Contents: Counties in Maine  
Androscoggin - Aroostook - Cumberland - Franklin - Hancock - Kennebec - Knox - Lincoln - Oxford - Penobscot - Piscataquis - Sagadahoc - Somerset - Waldo - Washington - York

Current listings[edit]

[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Ebenezer Alden House Upload image
April 28, 1975
(#75000100)
Off State Route 131
44°12′44″N 69°16′03″W / 44.212222°N 69.2675°W / 44.212222; -69.2675 (Ebenezer Alden House)
Union
2 Allen's Island Upload image
December 15, 1983
(#83003646)
In Muscongus Bay[6]
43°52′16″N 69°18′42″W / 43.871111°N 69.311667°W / 43.871111; -69.311667 (Allen's Island)
St. George
3 American Boathouse Upload image
February 19, 1982
(#82000761)
Atlantic Ave.
44°12′40″N 69°03′48″W / 44.211111°N 69.063333°W / 44.211111; -69.063333 (American Boathouse)
Camden
4 AMERICAN EAGLE (schooner)
AMERICAN EAGLE (schooner)
December 4, 1991
(#91002064)
Rockland Harbor
44°06′32″N 69°06′32″W / 44.108889°N 69.108889°W / 44.108889; -69.108889 (AMERICAN EAGLE (schooner))
Rockland National Historic Landmark
5 Joe Amesbury Place Upload image
March 11, 1982
(#82000760)
Address Restricted
North Haven
6 Beechnut Hut Historic District Upload image
July 10, 2003
(#03000617)
316 Beech Hill Rd.
44°10′07″N 69°06′15″W / 44.168611°N 69.104167°W / 44.168611; -69.104167 (Beechnut Hut Historic District)
Rockport
7 Bortz-Lewis Site Upload image
March 11, 1982
(#82000762)
Address Restricted
North Haven
8 Browns Head Light Station
Browns Head Light Station
January 27, 1983
(#83000460)
Browns Head
44°06′42″N 68°54′35″W / 44.111667°N 68.909722°W / 44.111667; -68.909722 (Browns Head Light Station)
Vinalhaven
9 Bull Rock Upload image
March 11, 1982
(#82000763)
Address Restricted
North Haven
10 Benjamin Burton Garrison Site Upload image
September 9, 1983
(#83000461)
Address Restricted
Cushing
11 Cabot I Site Upload image
March 11, 1982
(#82000764)
Address Restricted
North Haven
12 Camden Great Fire Historic District
Camden Great Fire Historic District
January 9, 2007
(#06001221)
Elm and Main Sts.
44°12′35″N 69°03′57″W / 44.209722°N 69.065833°W / 44.209722; -69.065833 (Camden Great Fire Historic District)
Camden
13 Camden Opera House Block
Camden Opera House Block
December 29, 1986
(#86003539)
Off U.S. Route 1
44°12′32″N 69°04′01″W / 44.208889°N 69.066944°W / 44.208889; -69.066944 (Camden Opera House Block)
Camden
14 Camden Amphitheater and Public Library
Camden Amphitheater and Public Library
February 27, 2013
(#13000285)
55 Main St.
44°12′41″N 69°03′51″W / 44.2115°N 69.0642°W / 44.2115; -69.0642 (Camden Amphitheater and Public Library)
Camden
15 Camden Yacht Club Upload image
January 11, 1980
(#80000378)
Bay View St.
44°12′26″N 69°03′43″W / 44.207222°N 69.061944°W / 44.207222; -69.061944 (Camden Yacht Club)
Camden
16 Chestnut Street Historic District
Chestnut Street Historic District
March 22, 1991
(#91000325)
Chestnut St. from Elm to Beacon Ave., including parts of Penobscot, Pleasant and Wood Sts., and Dillingham Pt.
44°12′13″N 69°03′43″W / 44.203611°N 69.061944°W / 44.203611; -69.061944 (Chestnut Street Historic District)
Camden
17 The Common
The Common
November 7, 2007
(#07001151)
Between Common and Burkett Rds.
44°12′41″N 69°16′30″W / 44.211389°N 69.275°W / 44.211389; -69.275 (The Common)
Union
18 Conway House Upload image
December 23, 1969
(#69000010)
Conway Rd.
44°12′01″N 69°04′52″W / 44.200278°N 69.081111°W / 44.200278; -69.081111 (Conway House)
Camden
19 Crocker Site Upload image
March 11, 1982
(#82000765)
Address Restricted
North Haven
20 Knott Crockett House Upload image
October 14, 1993
(#93001112)
750 Main St.
44°06′43″N 69°06′26″W / 44.111944°N 69.107222°W / 44.111944; -69.107222 (Knott Crockett House)
Rockland
21 Curtis Island Light
Curtis Island Light
May 17, 1973
(#73000263)
3.8 miles from Camden Harbor in Penobscot Bay
44°12′07″N 69°03′03″W / 44.201944°N 69.050833°W / 44.201944; -69.050833 (Curtis Island Light)
Camden
22 Farnsworth Homestead
Farnsworth Homestead
May 25, 1973
(#73000241)
21 Elm St.
44°06′11″N 69°06′39″W / 44.103056°N 69.110833°W / 44.103056; -69.110833 (Farnsworth Homestead)
Rockland
23 Finnish Congregational Church and Parsonage Upload image
June 24, 1994
(#94000639)
Eastern side of State Route 131, 0.9 miles south of its junction with U.S. Route 1
44°04′18″N 69°09′43″W / 44.071667°N 69.161944°W / 44.071667; -69.161944 (Finnish Congregational Church and Parsonage)
South Thomaston
24 Gaunt Neck Site Complex Upload image
December 28, 2005
(#05001467)
Address Restricted
43°58′59″N 69°18′20″W / 43.983056°N 69.305556°W / 43.983056; -69.305556 (Gaunt Neck Site Complex)
Cushing
25 Georges River Canal
Georges River Canal
March 5, 1970
(#70000048)
Upper Falls of the Georges River in Warren to the Union town line, extending to Quantabacook Pond in Searsmont
44°15′N 69°15′W / 44.25°N 69.25°W / 44.25; -69.25 (Georges River Canal)
Appleton, Union, and Warren
26 Goose Rocks Light Station
Goose Rocks Light Station
January 21, 1988
(#87002267)
East Entrance to the Fox Islands Thorofare
44°08′07″N 68°49′52″W / 44.135278°N 68.831111°W / 44.135278; -68.831111 (Goose Rocks Light Station)
North Haven
27 GRACE BAILEY (two-masted schooner)
GRACE BAILEY (two-masted schooner)
October 1, 1990
(#90001466)
Camden Harbor
44°12′36″N 69°03′50″W / 44.21°N 69.063889°W / 44.21; -69.063889 (GRACE BAILEY (two-masted schooner))
Camden National Historic Landmark
28 Gooden Grant House Upload image
December 18, 2013
(#13000926)
1 Head Harbor
44°01′34″N 68°37′01″W / 44.026°N 68.617°W / 44.026; -68.617 (Gooden Grant House)
Isle au Haut
29 Gushee Family House Upload image
October 8, 1998
(#98001235)
2868 Sennebec Rd.
44°17′13″N 69°14′54″W / 44.286944°N 69.248333°W / 44.286944; -69.248333 (Gushee Family House)
Appleton
30 Heron Neck Light Station
Heron Neck Light Station
January 21, 1988
(#87002266)
Heron Neck on Greens Island
44°01′31″N 68°51′45″W / 44.025278°N 68.8625°W / 44.025278; -68.8625 (Heron Neck Light Station)
Vinalhaven
31 High Street Historic District Upload image
January 5, 1989
(#88001843)
Roughly High St. between Main St. and Sherman Point Rd.; also the junction of Main St. and Atlantic Ave.
44°12′58″N 69°03′40″W / 44.216111°N 69.061111°W / 44.216111; -69.061111 (High Street Historic District)
Camden Main and Atlantic intersection represents a boundary increase
32 Indian Island Light Station
Indian Island Light Station
March 23, 1988
(#87002539)
Indian Island in Rockport Harbor
44°09′55″N 69°03′42″W / 44.165278°N 69.061667°W / 44.165278; -69.061667 (Indian Island Light Station)
Rockport
33 ISAAC H. EVANS (schooner)
ISAAC H. EVANS (schooner)
December 4, 1991
(#91002061)
Rockland Harbor
44°06′32″N 69°06′32″W / 44.108889°N 69.108889°W / 44.108889; -69.108889 (ISAAC H. EVANS (schooner))
Rockland National Historic Landmark
34 Isle Au Haut Light Station
Isle Au Haut Light Station
January 21, 1988
(#87002265)
Robinson Point
44°03′53″N 68°39′07″W / 44.064722°N 68.651944°W / 44.064722; -68.651944 (Isle Au Haut Light Station)
Isle Au Haut
35 J. & E. RIGGIN (schooner)
J. & E. RIGGIN (schooner)
December 4, 1991
(#91002062)
Rockland Harbor
44°06′26″N 69°06′23″W / 44.107222°N 69.106389°W / 44.107222; -69.106389 (J. & E. RIGGIN (schooner))
Rockland National Historic Landmark
36 Thomas King Inscription Upload image
May 7, 1979
(#79000152)
Address Restricted
Cushing
37 Knox County Courthouse
Knox County Courthouse
April 18, 1977
(#77000075)
62 Union St.
44°06′14″N 69°06′43″W / 44.103889°N 69.111944°W / 44.103889; -69.111944 (Knox County Courthouse)
Rockland
38 Land's End Historic District Upload image
September 8, 2011
(#11000633)
Marshall Point & Cottage Rds., Lentine & Land's End Lns.
43°55′16″N 69°15′19″W / 43.921111°N 69.255278°W / 43.921111; -69.255278 (Land's End Historic District)
Saint George
39 Lermond Mill Upload image
December 27, 1984
(#84000499)
Union Village
44°12′51″N 69°13′30″W / 44.214167°N 69.225°W / 44.214167; -69.225 (Lermond Mill)
Union
40 LEWIS R. FRENCH (schooner)
LEWIS R. FRENCH (schooner)
December 4, 1991
(#82005263)
North End Shipyard
44°06′32″N 69°06′32″W / 44.108889°N 69.108889°W / 44.108889; -69.108889 (LEWIS R. FRENCH (schooner))
Rockland National Historic Landmark
41 Main Street Historic District Upload image
June 7, 1978
(#78000182)
Main St. from Limerock to Winter Sts.
Boundary increase (listed January 4, 2012): 428-497 Main St.

44°06′14″N 69°06′34″W / 44.103889°N 69.109444°W / 44.103889; -69.109444 (Main Street Historic District)
Rockland
42 Marshall Point Light Station
Marshall Point Light Station
March 23, 1988
(#87002262)
Marshall Point in Port Clyde Harbor
43°55′02″N 69°15′42″W / 43.917222°N 69.261667°W / 43.917222; -69.261667 (Marshall Point Light Station)
Port Clyde
43 Matinicus Rock Light Station
Matinicus Rock Light Station
March 14, 1988
(#88000149)
Matinicus Rock
43°47′06″N 68°51′16″W / 43.785°N 68.854444°W / 43.785; -68.854444 (Matinicus Rock Light Station)
Matinicus Isle
44 Joseph and Hannah Maxcy Homestead Upload image
July 28, 2004
(#04000743)
630 S. Union Rd.
44°11′47″N 69°15′50″W / 44.196389°N 69.263889°W / 44.196389; -69.263889 (Joseph and Hannah Maxcy Homestead)
Union
45 Mequnticook Golf Club Upload image
July 22, 1993
(#93000636)
212 Calderwood Ln.
44°11′03″N 69°03′49″W / 44.184167°N 69.063611°W / 44.184167; -69.063611 (Mequnticook Golf Club)
Rockport
46 MERCANTILE (schooner)
MERCANTILE (schooner)
October 1, 1990
(#82005265)
Camden Harbor
44°12′38″N 69°03′46″W / 44.210556°N 69.062778°W / 44.210556; -69.062778 (MERCANTILE (schooner))
Camden Designated a National Historic Landmark on December 4, 1991
47 Mosquito Island House Upload image
September 29, 1983
(#83000462)
South of St. George on Mosquito Island
43°55′21″N 69°13′22″W / 43.9225°N 69.222778°W / 43.9225; -69.222778 (Mosquito Island House)
St. George
48 Mullen's Cove Upload image
March 30, 1984
(#84001382)
Address Restricted
North Haven
49 Murch Family House Upload image
March 25, 1993
(#93000205)
Southeastern side of Calderwood Neck, 2 miles northeast of North Haven Rd.
44°06′00″N 68°49′05″W / 44.1°N 68.818056°W / 44.1; -68.818056 (Murch Family House)
Vinalhaven
50 Norumbega Upload image
July 12, 1974
(#74000174)
High St.
44°13′04″N 69°03′26″W / 44.217778°N 69.057222°W / 44.217778; -69.057222 (Norumbega)
Camden
51 Norumbega Carriage House Upload image
February 19, 1982
(#82000766)
High St.
44°13′00″N 69°03′25″W / 44.216667°N 69.056944°W / 44.216667; -69.056944 (Norumbega Carriage House)
Camden
52 Olson House
Olson House
August 31, 1995
(#93001114)
Eastern side of Hathorn Point Rd.
43°58′54″N 69°16′09″W / 43.981667°N 69.269167°W / 43.981667; -69.269167 (Olson House)
South Cushing vicinity Andrew Wyeth spent 30 summers at the house and is buried on the grounds. National Historic Landmark designation June 23, 2011.
53 Owls Head Light Station
Owls Head Light Station
January 18, 1978
(#78000183)
Northeast of Owls Head on W. Penobscot Bay
44°05′30″N 69°02′41″W / 44.091667°N 69.044722°W / 44.091667; -69.044722 (Owls Head Light Station)
Owls Head
54 Pleasant River Grange No. 492 Upload image
October 8, 1999
(#99001190)
Round Island Rd., 0.15 miles east of its junction with N. Haven Rd.
44°04′33″N 68°50′20″W / 44.075833°N 68.838889°W / 44.075833; -68.838889 (Pleasant River Grange No. 492)
Vinalhaven
55 Rankin Block
Rankin Block
November 7, 1978
(#78000184)
600-610 Main St.
44°06′32″N 69°06′38″W / 44.108889°N 69.110556°W / 44.108889; -69.110556 (Rankin Block)
Rockland
56 Rockland Breakwater
Rockland Breakwater
April 11, 2003
(#03000203)
South of Jameson Point
44°06′14″N 69°04′41″W / 44.103889°N 69.078056°W / 44.103889; -69.078056 (Rockland Breakwater)
Rockland
57 Rockland Breakwater Lighthouse
Rockland Breakwater Lighthouse
March 20, 1981
(#81000067)
Rockland Harbor
44°06′14″N 69°04′40″W / 44.103889°N 69.077778°W / 44.103889; -69.077778 (Rockland Breakwater Lighthouse)
Rockland
58 Rockland Public Library
Rockland Public Library
July 10, 1979
(#79000153)
Union St.
44°06′19″N 69°06′45″W / 44.105278°N 69.1125°W / 44.105278; -69.1125 (Rockland Public Library)
Rockland
59 Rockland Railroad Station Upload image
February 7, 1978
(#78000327)
Union St.
44°06′03″N 69°06′41″W / 44.100833°N 69.111389°W / 44.100833; -69.111389 (Rockland Railroad Station)
Rockland
60 Rockland Residential Historic District Upload image
April 15, 1987
(#86003513)
Roughly bounded by Granite, Union, Masonic, Broad, Limerock, and Broadway Sts.
44°06′18″N 69°06′53″W / 44.105°N 69.114722°W / 44.105; -69.114722 (Rockland Residential Historic District)
Rockland
61 Rockland Turntable and Engine House Upload image
June 24, 1993
(#90001953)
Park St. west of the Rockland railroad station
44°06′04″N 69°07′23″W / 44.101111°N 69.123056°W / 44.101111; -69.123056 (Rockland Turntable and Engine House)
Rockland
62 Rockport Historic District Upload image
May 28, 1976
(#76000099)
Irregular pattern along Pascal Ave. from Russell, Union, and Winter Sts. on the north to School St. on the south
44°11′08″N 69°04′28″W / 44.185556°N 69.074444°W / 44.185556; -69.074444 (Rockport Historic District)
Rockport
63 Rockport Historic Kiln Area
Rockport Historic Kiln Area
January 26, 1970
(#70000090)
On the western side of the mouth of the Goose River at its confluence with Rockport Harbor
44°11′11″N 69°04′27″W / 44.186389°N 69.074167°W / 44.186389; -69.074167 (Rockport Historic Kiln Area)
Rockport
64 ROSEWAY (schooner)
ROSEWAY (schooner)
September 25, 1997
(#97001278)
Camden Harbor
44°12′38″N 69°03′46″W / 44.210556°N 69.062778°W / 44.210556; -69.062778 (ROSEWAY (schooner))
Camden National Historic Landmark
65 Saddleback Ledge Light Station
Saddleback Ledge Light Station
March 14, 1988
(#88000158)
Saddleback Ledge at Isle Au Haut Bay
44°00′51″N 68°43′36″W / 44.014167°N 68.726667°W / 44.014167; -68.726667 (Saddleback Ledge Light Station)
Vinalhaven
66 Sail Loft Upload image
October 28, 1977
(#77000076)
Off State Route 131
43°57′55″N 69°12′36″W / 43.965278°N 69.21°W / 43.965278; -69.21 (Sail Loft)
Tenants Harbor
67 Security Trust Building Upload image
January 20, 1978
(#78000185)
Elm and Main Sts.
44°06′13″N 69°06′35″W / 44.103611°N 69.109722°W / 44.103611; -69.109722 (Security Trust Building)
Rockland
68 Spite House Upload image
August 13, 1974
(#74000175)
Deadman's Point
44°10′31″N 69°03′18″W / 44.175278°N 69.055°W / 44.175278; -69.055 (Spite House)
Rockport
69 Star of Hope Lodge Upload image
February 19, 1982
(#82000767)
Maine St.
44°02′52″N 68°49′59″W / 44.047778°N 68.833056°W / 44.047778; -68.833056 (Star of Hope Lodge)
Vinalhaven
70 STEPHEN TABER (schooner)
STEPHEN TABER (schooner)
July 30, 1984
(#84001386)
Camden Harbor
44°12′38″N 69°03′49″W / 44.210556°N 69.063611°W / 44.210556; -69.063611 (STEPHEN TABER (schooner))
Camden National Historic Landmark
71 Strand Theatre Upload image
December 2, 2004
(#04001284)
345 Main St.
44°06′10″N 69°06′33″W / 44.102778°N 69.109167°W / 44.102778; -69.109167 (Strand Theatre)
Rockland
72 SURPRISE (schooner)
SURPRISE (schooner)
June 14, 1991
(#91000771)
Camden Harbor
44°12′38″N 69°03′48″W / 44.210556°N 69.063333°W / 44.210556; -69.063333 (SURPRISE (schooner))
Camden
73 Tenants Harbor Light Station
Tenants Harbor Light Station
November 20, 1987
(#87002026)
Southern Island
43°57′43″N 69°11′18″W / 43.961944°N 69.188333°W / 43.961944; -69.188333 (Tenants Harbor Light Station)
Tenants Harbor
74 Thomaston Historic District
Thomaston Historic District
May 2, 1974
(#74000176)
Runs through Blue Star Memorial Highway between Wadsworth St. and State Route 131
44°04′38″N 69°10′54″W / 44.077222°N 69.181667°W / 44.077222; -69.181667 (Thomaston Historic District)
Thomaston
75 George Thorndike House Upload image
January 11, 1983
(#83000463)
State Route 73
44°03′08″N 69°07′45″W / 44.052222°N 69.129167°W / 44.052222; -69.129167 (George Thorndike House)
South Thomaston
76 Tillson Farm Barn Upload image
December 18, 1990
(#90001902)
Warrenton Rd. southeast of its junction with Commercial St.
44°07′49″N 69°05′23″W / 44.130278°N 69.089722°W / 44.130278; -69.089722 (Tillson Farm Barn)
Glen Cove
77 Gen. Davis Tillson House Upload image
January 11, 1983
(#83000464)
157 Talbot Ave.
44°06′34″N 69°07′19″W / 44.109444°N 69.121944°W / 44.109444; -69.121944 (Gen. Davis Tillson House)
Rockland
78 TIMBERWIND (Schooner)
TIMBERWIND (Schooner)
March 26, 1992
(#92000274)
Rockport Harbor
44°11′08″N 69°04′26″W / 44.185556°N 69.073889°W / 44.185556; -69.073889 (TIMBERWIND (Schooner))
Rockport
79 Turner Farm II Upload image
March 11, 1982
(#82000768)
Address Restricted
North Haven
80 Turner Farm Site Upload image
March 26, 1976
(#76000100)
Address Restricted
North Haven
81 Union Church of Vinalhaven Upload image
July 19, 1984
(#84001388)
E. Main St.
44°02′54″N 68°49′52″W / 44.048333°N 68.831111°W / 44.048333; -68.831111 (Union Church of Vinalhaven)
Vinalhaven
82 Union Town House (Former) Upload image
December 31, 2001
(#01001419)
128 Town House Rd.
44°12′47″N 69°16′30″W / 44.213056°N 69.275°W / 44.213056; -69.275 (Union Town House (Former))
Union
83 US Post Office-Camden Main Upload image
September 25, 1986
(#86002960)
Chestnut St.
44°12′31″N 69°03′53″W / 44.208611°N 69.064722°W / 44.208611; -69.064722 (US Post Office-Camden Main)
Camden
84 VICTORY CHIMES (Schooner)
VICTORY CHIMES (Schooner)
June 24, 1996
(#93000637)
North End Shipyard, Rockland Harbor
44°06′41″N 69°06′14″W / 44.111389°N 69.103889°W / 44.111389; -69.103889 (VICTORY CHIMES (Schooner))
Rockland National Historic Landmark
85 The Vinalhaven Galamander Upload image
July 1, 1970
(#70000049)
Bandstand Park
44°02′51″N 68°49′57″W / 44.0475°N 68.8325°W / 44.0475; -68.8325 (The Vinalhaven Galamander)
Vinalhaven
86 Vinalhaven Public Library Upload image
January 5, 1989
(#88003014)
Carver St.
44°02′55″N 68°49′55″W / 44.048611°N 68.831944°W / 44.048611; -68.831944 (Vinalhaven Public Library)
Vinalhaven
87 Moses Webster House Upload image
April 1, 1998
(#98000309)
Atlantic Ave., 0.05 miles east of the junction of Main St. and Atlantic Ave.
44°02′51″N 68°49′53″W / 44.0475°N 68.831389°W / 44.0475; -68.831389 (Moses Webster House)
Vinalhaven
88 WENDAMEEN (Yacht)
WENDAMEEN (Yacht)
March 26, 1992
(#92000273)
Portland Harbor
44°12′34″N 69°03′48″W / 44.209444°N 69.063333°W / 44.209444; -69.063333 (WENDAMEEN (Yacht))
Portland Although listed in Camden, she is now based in Portland.[7]
89 Wharf House Upload image
October 16, 1991
(#91001508)
Southeast of the junction of Main and Smith Sts.
44°07′37″N 68°52′16″W / 44.126944°N 68.871111°W / 44.126944; -68.871111 (Wharf House)
North Haven
90 Whitehead Lifesaving Station Upload image
October 12, 1988
(#88001839)
Southern side of Whitehead Island
43°58′43″N 69°07′57″W / 43.978611°N 69.1325°W / 43.978611; -69.1325 (Whitehead Lifesaving Station)
Sprucehead
91 Whitehead Light Station
Whitehead Light Station
March 14, 1988
(#88000154)
Eastern side of Whitehead Island
43°58′47″N 69°07′30″W / 43.979722°N 69.125°W / 43.979722; -69.125 (Whitehead Light Station)
Tenants Harbor
92 Timothy and Jane Williams House Upload image
December 21, 2005
(#05001441)
34 Old County Rd.
44°06′09″N 69°08′34″W / 44.1025°N 69.142778°W / 44.1025; -69.142778 (Timothy and Jane Williams House)
Rockland

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 August 1, 2014.
  3. ^ 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. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-24. 
  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.
  6. ^ Coordinates derived from its entry in the GNIS; the NRIS provides no coordinates
  7. ^ http://www.portlandschooner.com/portland_only_historic_windjammers_wendameen.shtml