National Register of Historic Places listings in Lake County, Indiana

Location of Lake County in Indiana

This is a list of the National Register of Historic Places listings in Lake County, Indiana.

This is intended to be a complete list of the properties and districts on the National Register of Historic Places in Lake County, Indiana, 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 74 properties and districts listed on the National Register in the county. Another 2 properties were once listed but have been removed.

Properties and districts located in incorporated areas display the name of the municipality, while properties and districts in unincorporated areas display the name of their civil township. Properties and districts split between multiple jurisdictions display the names of all jurisdictions.

This National Park Service list is complete through NPS recent listings posted December 16, 2016.[2]

Current listings

[3] Name on the Register[4] Image Date listed[5] Location City or town Description
1 Walter Allman House
Walter Allman House
December 27, 2010
(#10001077)
 102 S. East St.
41°25′04″N 87°21′43″W / 41.417778°N 87.362078°W / 41.417778; -87.362078 (Walter Allman House)		 Crown Point
2 American Sheet and Tin Mill Apartment Building
American Sheet and Tin Mill Apartment Building
June 17, 2009
(#09000427)
 633 W. 4th Ave.
41°36′13″N 87°20′44″W / 41.603611°N 87.345556°W / 41.603611; -87.345556 (American Sheet and Tin Mill Apartment Building)		 Gary
3 Louis J. Bailey Branch Library-Gary International Institute
Louis J. Bailey Branch Library-Gary International Institute
September 29, 2004
(#04001102)
 1501 S. Madison St.
41°35′16″N 87°20′29″W / 41.587778°N 87.341389°W / 41.587778; -87.341389 (Louis J. Bailey Branch Library-Gary International Institute)		 Gary
4 James Brannon House
James Brannon House
March 21, 2011
(#11000120)
 260 Burnham St.
41°17′42″N 87°24′53″W / 41.295000°N 87.414722°W / 41.295000; -87.414722 (James Brannon House)		 Lowell
5 Buckley Homestead
Buckley Homestead
December 6, 1984
(#84000503)
 3606 Belshaw Rd., southeast of Lowell
41°16′53″N 87°22′43″W / 41.281389°N 87.378611°W / 41.281389; -87.378611 (Buckley Homestead)		 Cedar Creek Township
6 Wellington A. Clark House
Wellington A. Clark House
June 6, 2001
(#01000619)
 227 S. Court St.
41°24′57″N 87°21′57″W / 41.415722°N 87.365833°W / 41.415722; -87.365833 (Wellington A. Clark House)		 Crown Point
7 Combs Addition Historic District
Combs Addition Historic District
September 30, 2014
(#14000805)
 400 and 500 blocks of Rutledge and Ellsworth Sts., and the 500 block of Marshall St. between 4th and 6th Aves.
41°36′10″N 87°22′10″W / 41.602778°N 87.369444°W / 41.602778; -87.369444 (Combs Addition Historic District)		 Gary
8 Crawford-Winslow House
Crawford-Winslow House
June 25, 2013
(#13000422)
 357 S. Main St.
41°24′47″N 87°21′53″W / 41.413194°N 87.364722°W / 41.413194; -87.364722 (Crawford-Winslow House)		 Crown Point
9 Crown Point Courthouse Square Historic District
Crown Point Courthouse Square Historic District
March 22, 2004
(#04000203)
 Roughly bounded by Clark St., the alley east of Main St., Hack Ct., and Court St.; also roughly bounded by Robinson, East, Walnut, and Court Sts.; also 208 Main St.
41°25′02″N 87°21′56″W / 41.417333°N 87.365456°W / 41.417333; -87.365456 (Crown Point Courthouse Square Historic District)		 Crown Point Second set of boundaries represents a boundary adjustment of December 8, 2005; 208 Main represents a boundary increase of March 29, 2007
10 Morse Dell Plain House and Garden
Morse Dell Plain House and Garden
April 1, 1998
(#98000298)
 7109 Knickerbocker Parkway
41°35′03″N 87°28′39″W / 41.584167°N 87.4775°W / 41.584167; -87.4775 (Morse Dell Plain House and Garden)		 Hammond
11 Ralph Waldo Emerson School
Ralph Waldo Emerson School
June 9, 1995
(#95000702)
 716 E. 7th Ave.
41°35′57″N 87°19′39″W / 41.599167°N 87.3275°W / 41.599167; -87.3275 (Ralph Waldo Emerson School)		 Gary
12 Eskilson Historic District
Eskilson Historic District
March 26, 2014
(#14000073)
 Roughly bounded by W. 3rd Ave. and the alleys between Garfield and Hayes Sts., W. 4th Pl., and W. 5th Ave., Cleveland St., and McKinley St.
41°36′13″N 87°21′37″W / 41.603611°N 87.360278°W / 41.603611; -87.360278 (Eskilson Historic District)		 Gary
13 First Unitarian Church of Hobart
First Unitarian Church of Hobart
September 9, 1999
(#99001112)
 497 Main St.
41°31′48″N 87°15′11″W / 41.530000°N 87.253056°W / 41.530000; -87.253056 (First Unitarian Church of Hobart)		 Hobart
14 Forest-Ivanhoe Residential Historic District
Forest-Ivanhoe Residential Historic District
March 31, 2010
(#10000124)
 Roughly bounded by 172nd Pl., the eastern side of Forest Ave. south to its end, and the Little Calumet River
41°34′51″N 87°31′25″W / 41.580931°N 87.523533°W / 41.580931; -87.523533 (Forest-Ivanhoe Residential Historic District)		 Hammond
15 Forest-Moraine Residential Historic District
Forest-Moraine Residential Historic District
September 23, 2010
(#10000777)
 Roughly bounded by Wildwood Rd., 165th St., Hohman Ave. and State Line Ave.
41°35′53″N 87°31′24″W / 41.598056°N 87.523333°W / 41.598056; -87.523333 (Forest-Moraine Residential Historic District)		 Hammond
16 Forest-Southview Residential Historic District
Forest-Southview Residential Historic District
September 23, 2010
(#10000778)
 Roughly bounded by 165th St., Hohman Ave., Locust St. and State Line Ave.
41°35′37″N 87°31′25″W / 41.593611°N 87.523611°W / 41.593611; -87.523611 (Forest-Southview Residential Historic District)		 Hammond
17 Gary Bathing Beach Aquatorium
Gary Bathing Beach Aquatorium
November 25, 1994
(#94001354)
 One Marquette Dr., Marquette Park
41°37′11″N 87°15′24″W / 41.619722°N 87.256667°W / 41.619722; -87.256667 (Gary Bathing Beach Aquatorium)		 Gary
18 Gary City Center Historic District
Gary City Center Historic District
November 25, 1994
(#94001352)
 Roughly Broadway from the Chicago SouthShore and South Bend railroad tracks to 9th Ave.
41°36′01″N 87°20′13″W / 41.600278°N 87.336944°W / 41.600278; -87.336944 (Gary City Center Historic District)		 Gary
19 Gary Land Company Building
Gary Land Company Building
May 8, 1979
(#79000021)
 4th Ave. and Massachusetts St.
41°36′15″N 87°20′09″W / 41.604167°N 87.335833°W / 41.604167; -87.335833 (Gary Land Company Building)		 Gary
20 Gary Public Schools Memorial Auditorium
Gary Public Schools Memorial Auditorium
November 25, 1994
(#94001353)
 700-734 Massachusetts St.
41°35′53″N 87°20′10″W / 41.598056°N 87.336111°W / 41.598056; -87.336111 (Gary Public Schools Memorial Auditorium)		 Gary
21 Glendale Park Historic District
Glendale Park Historic District
June 25, 2013
(#13000423)
 17-64 Glendale Parkway
41°36′07″N 87°31′24″W / 41.601944°N 87.523333°W / 41.601944; -87.523333 (Glendale Park Historic District)		 Hammond
22 E.J. and E. Griffith Interlocking Tower
E.J. and E. Griffith Interlocking Tower
September 28, 2003
(#03000980)
 201 S. Broad St.
41°31′16″N 87°25′39″W / 41.521111°N 87.4275°W / 41.521111; -87.4275 (E.J. and E. Griffith Interlocking Tower)		 Griffith
23 Griffith Grand Trunk Depot
Griffith Grand Trunk Depot
September 28, 2003
(#03000985)
 201 S. Broad St.
41°31′16″N 87°25′39″W / 41.521111°N 87.4275°W / 41.521111; -87.4275 (Griffith Grand Trunk Depot)		 Griffith
24 Melvin A. Halsted House
Melvin A. Halsted House
December 8, 1978
(#78000037)
 201 E. Main St.
41°17′36″N 87°25′21″W / 41.293333°N 87.422389°W / 41.293333; -87.422389 (Melvin A. Halsted House)		 Lowell
25 Hobart Carnegie Library
Hobart Carnegie Library
July 15, 1982
(#82000047)
 706 E. 4th St.
41°31′55″N 87°15′07″W / 41.532083°N 87.251944°W / 41.532083; -87.251944 (Hobart Carnegie Library)		 Hobart
26 Hobart Commercial District
Hobart Commercial District
December 16, 2014
(#14001037)
 Roughly bounded by Lake George, the Norfolk Southern rail line, and Center and 2nd Sts..
41°31′55″N 87°15′17″W / 41.531944°N 87.254722°W / 41.531944; -87.254722 (Hobart Commercial District)		 Hobart
27 Hohman Avenue Commercial Historic District
Hohman Avenue Commercial Historic District
March 21, 2011
(#11000118)
 Approximately three blocks lining Hohman Ave. between Clinton St. and Rimbach St.
41°37′02″N 87°31′19″W / 41.617222°N 87.521944°W / 41.617222; -87.521944 (Hohman Avenue Commercial Historic District)		 Hammond
28 Hoosier Theater Building
Hoosier Theater Building
February 18, 1987
(#87000069)
 1329-1335 119th St.
41°40′46″N 87°29′47″W / 41.679444°N 87.496389°W / 41.679444; -87.496389 (Hoosier Theater Building)		 Whiting
29 Ibach House
Ibach House
December 27, 2010
(#10001078)
 1908 Ridge Rd.
41°33′26″N 87°28′56″W / 41.557222°N 87.482222°W / 41.557222; -87.482222 (Ibach House)		 Munster
30 Indi-Illi Park Historic District
Indi-Illi Park Historic District
June 15, 2012
(#12000335)
 Roughly bounded by Locust and 169th Sts., and Hohman and State Line Aves.
41°35′24″N 87°31′28″W / 41.590000°N 87.524444°W / 41.590000; -87.524444 (Indi-Illi Park Historic District)		 Hammond
31 Indiana Harbor Public Library
Indiana Harbor Public Library
September 15, 2005
(#05001014)
 3605 Grand Ave.
41°38′51″N 87°26′58″W / 41.647500°N 87.449444°W / 41.647500; -87.449444 (Indiana Harbor Public Library)		 East Chicago
32 Jackson-Monroe Terraces Historic District
Jackson-Monroe Terraces Historic District
June 17, 2009
(#09000428)
 404-423 Jackson St. and 408-426 Monroe St.
41°36′12″N 87°20′39″W / 41.603333°N 87.344167°W / 41.603333; -87.344167 (Jackson-Monroe Terraces Historic District)		 Gary
33 Jefferson Street Historic District
Jefferson Street Historic District
September 18, 2013
(#13000723)
 Roughly bounded by Washington St. and 37th, 35th, Jefferson, and Madison Aves.
41°33′10″N 87°20′21″W / 41.552778°N 87.339167°W / 41.552778; -87.339167 (Jefferson Street Historic District)		 Gary
34 Francis P. Keilman House
Francis P. Keilman House
March 20, 2013
(#13000084)
 9260 Patterson St.
41°27′03″N 87°28′17″W / 41.450750°N 87.471389°W / 41.450750; -87.471389 (Francis P. Keilman House)		 St. John
35 Kingsbury-Doak Farmhouse
Kingsbury-Doak Farmhouse
September 15, 2005
(#05001013)
 4411 E. 153rd Ave., west of Hebron
41°20′20″N 87°17′11″W / 41.338889°N 87.286389°W / 41.338889; -87.286389 (Kingsbury-Doak Farmhouse)		 Eagle Creek Township
36 Knights of Columbus Building
Knights of Columbus Building
March 1, 1984
(#84001065)
 333 W. 5th Ave.
41°36′06″N 87°20′30″W / 41.601667°N 87.341667°W / 41.601667; -87.341667 (Knights of Columbus Building)		 Gary
37 Lake County Courthouse
Lake County Courthouse
May 17, 1973
(#73000073)
 Public Sq.
41°25′02″N 87°21′57″W / 41.417222°N 87.365833°W / 41.417222; -87.365833 (Lake County Courthouse)		 Crown Point
38 Lake County Tuberculosis Sanatorium, Nurses Home and Superintendent's House
Lake County Tuberculosis Sanatorium, Nurses Home and Superintendent's House
June 17, 2005
(#05000608)
 2323 N. Main St. and 425 W. 93rd Ave.
41°27′04″N 87°21′55″W / 41.451111°N 87.365278°W / 41.451111; -87.365278 (Lake County Tuberculosis Sanatorium, Nurses Home and Superintendent's House)		 Crown Point 427 W. 93rd represents a boundary increase of January 9, 2013
39 Lake County Sheriff's House and Jail
Lake County Sheriff's House and Jail
January 4, 1989
(#88003039)
 232 S. Main St.
41°24′56″N 87°21′51″W / 41.415556°N 87.364167°W / 41.415556; -87.364167 (Lake County Sheriff's House and Jail)		 Crown Point
40 Lassen Hotel
Lassen Hotel
July 7, 1981
(#81000019)
 7808 W. 138th Pl.
41°22′06″N 87°25′30″W / 41.368333°N 87.425°W / 41.368333; -87.425 (Lassen Hotel)		 Cedar Lake
41 Lincoln Street Historic District
Lincoln Street Historic District
December 31, 2013
(#13001012)
 Roughly bounded by Fillmore and Hayes Sts. and 6th and 8th Aves.
41°35′57″N 87°21′17″W / 41.599167°N 87.354722°W / 41.599167; -87.354722 (Lincoln Street Historic District)		 Gary
42 Lowell Commercial Historic District
Lowell Commercial Historic District
March 26, 2003
(#03000144)
 305-519 Commercial Ave. and 108-110 Clark St.
41°17′30″N 87°25′23″W / 41.291667°N 87.423056°W / 41.291667; -87.423056 (Lowell Commercial Historic District)		 Lowell
43 Albert Maack House
Albert Maack House
June 23, 2011
(#11000383)
 498 S. Court St.
41°24′34″N 87°21′58″W / 41.409444°N 87.366111°W / 41.409444; -87.366111 (Albert Maack House)		 Crown Point
44 Horace Mann Historic District
Horace Mann Historic District
September 18, 2013
(#13000722)
 Roughly bounded by W. 5th, 8th, and 7th Aves., and Cleveland and Roosevelt Sts.
41°36′00″N 87°21′47″W / 41.600000°N 87.363056°W / 41.600000; -87.363056 (Horace Mann Historic District)		 Gary
45 Marktown Historic District
Marktown Historic District
February 20, 1975
(#75000025)
 Bounded by Pine, Riley, Dickey, and 129th Sts.
41°39′31″N 87°28′04″W / 41.658611°N 87.467778°W / 41.658611; -87.467778 (Marktown Historic District)		 East Chicago
46 MATERIAL SERVICE (shipwreck)
MATERIAL SERVICE (shipwreck)
March 25, 2014
(#14000074)
 Lake Michigan, northeast of Calumet Harbor[6]
41°44′33″N 87°30′23″W / 41.742500°N 87.506389°W / 41.742500; -87.506389 (MATERIAL SERVICE (shipwreck))		 North Township
47 Joseph Ernest Meyer House
Joseph Ernest Meyer House
March 1, 1984
(#84001068)
 1370 Joliet St.
41°29′26″N 87°29′48″W / 41.490556°N 87.496667°W / 41.490556; -87.496667 (Joseph Ernest Meyer House)		 Dyer
48 Miller Town Hall
Miller Town Hall
July 7, 1978
(#78000038)
 Junction of Miller Ave., Old Hobart Rd., and Grand Boulevard
41°36′02″N 87°15′41″W / 41.600556°N 87.261389°W / 41.600556; -87.261389 (Miller Town Hall)		 Gary
49 Monon Park Dancing Pavilion
Monon Park Dancing Pavilion
January 3, 2001
(#00001540)
 13701 Lauerman St.
41°22′07″N 87°26′22″W / 41.368611°N 87.439444°W / 41.368611; -87.439444 (Monon Park Dancing Pavilion)		 Cedar Lake
50 Monroe Terrace Historic District
Monroe Terrace Historic District
June 17, 2009
(#09000429)
 304-318 Monroe St.
41°36′19″N 87°20′37″W / 41.605278°N 87.343611°W / 41.605278; -87.343611 (Monroe Terrace Historic District)		 Gary
51 Morgan-Skinner-Boyd Homestead
Morgan-Skinner-Boyd Homestead
December 27, 2010
(#10001079)
 111 E. 73rd Ave.
41°29′08″N 87°20′02″W / 41.485556°N 87.333889°W / 41.485556; -87.333889 (Morgan-Skinner-Boyd Homestead)		 Merrillville
52 Morningside Historic District
Morningside Historic District
September 24, 2009
(#09000758)
 Roughly bounded by the eastern side of Washington, the western side of Jefferson, and 45th and 47th Sts.
41°32′05″N 87°20′22″W / 41.534722°N 87.339444°W / 41.534722; -87.339444 (Morningside Historic District)		 Gary
53 Charles E. Nichols House
Charles E. Nichols House
June 24, 2010
(#10000375)
 231 W. Commercial Ave.
41°17′23″N 87°25′39″W / 41.289722°N 87.427444°W / 41.289722; -87.427444 (Charles E. Nichols House)		 Lowell
54 Northern States Life Insurance Company
Northern States Life Insurance Company
June 24, 2010
(#10000376)
 5935 Hohman Ave.
41°36′20″N 87°31′18″W / 41.605556°N 87.521667°W / 41.605556; -87.521667 (Northern States Life Insurance Company)		 Hammond
55 Pennsylvania Railroad Station
Pennsylvania Railroad Station
March 1, 1984
(#84001070)
 1001 Lillian St.
41°32′04″N 87°14′50″W / 41.534444°N 87.247222°W / 41.534444; -87.247222 (Pennsylvania Railroad Station)		 Hobart
56 Polk Street Concrete Cottage Historic District
Polk Street Concrete Cottage Historic District
September 15, 2011
(#11000657)
 604-614 Polk St.
41°35′59″N 87°21′00″W / 41.599722°N 87.350000°W / 41.599722; -87.350000 (Polk Street Concrete Cottage Historic District)		 Gary
57 Polk Street Terraces Historic District
Polk Street Terraces Historic District
June 17, 2009
(#09000430)
 404-422 and 437-455 Polk St.
41°36′13″N 87°20′59″W / 41.603611°N 87.349722°W / 41.603611; -87.349722 (Polk Street Terraces Historic District)		 Gary
58 Pullman-Standard Historic District
Pullman-Standard Historic District
April 10, 2012
(#12000186)
 Roughly bounded by Columbia, Field, Porter, and Willard Aves.
41°36′17″N 87°29′53″W / 41.604637°N 87.498134°W / 41.604637; -87.498134 (Pullman-Standard Historic District)		 Hammond
59 Theodore Roosevelt High School
Theodore Roosevelt High School
December 19, 2012
(#12001059)
 730 W. 25th St.
41°34′28″N 87°20′42″W / 41.574444°N 87.345000°W / 41.574444; -87.345000 (Theodore Roosevelt High School)		 Gary
60 Roselawn-Forest Heights Historic District
Roselawn-Forest Heights Historic District
December 19, 2012
(#12001060)
 Roughly bounded by Lawndale, 172nd Pl., and Hohman and State Line Aves.
41°35′12″N 87°31′26″W / 41.586667°N 87.523889°W / 41.586667; -87.523889 (Roselawn-Forest Heights Historic District)		 Hammond
61 John Ross Farm
John Ross Farm
March 27, 1996
(#96000283)
 3815 E. U.S. Route 231, northwest of Leroy
41°22′14″N 87°17′21″W / 41.370556°N 87.289167°W / 41.370556; -87.289167 (John Ross Farm)		 Winfield Township
62 J. Claude Rumsey House
J. Claude Rumsey House
December 22, 2008
(#08001211)
 709 Michigan Ave.
41°17′44″N 87°25′00″W / 41.295556°N 87.416667°W / 41.295556; -87.416667 (J. Claude Rumsey House)		 Lowell
63 Barney Sablotny House
Barney Sablotny House
December 19, 2012
(#12001061)
 501 W. 47th St.
41°31′59″N 87°20′33″W / 41.532917°N 87.342500°W / 41.532917; -87.342500 (Barney Sablotny House)		 Gary
64 St. Augustine's Episcopal Church
St. Augustine's Episcopal Church
September 18, 2013
(#13000758)
 2425 W. 19th Ave.
41°35′03″N 87°22′05″W / 41.584167°N 87.368056°W / 41.584167; -87.368056 (St. Augustine's Episcopal Church)		 Gary
65 Southmoor Apartment Hotel
Southmoor Apartment Hotel
March 21, 2011
(#11000125)
 5946 Hohman Ave.
41°36′19″N 87°31′20″W / 41.605278°N 87.522222°W / 41.605278; -87.522222 (Southmoor Apartment Hotel)		 Hammond
66 Stallbohm Barn-Kaske House
Stallbohm Barn-Kaske House
April 1, 1998
(#98000303)
 1154 Ridge Rd.
41°33′35″N 87°30′01″W / 41.559722°N 87.500278°W / 41.559722; -87.500278 (Stallbohm Barn-Kaske House)		 Munster
67 State Bank of Hammond Building
State Bank of Hammond Building
September 27, 1984
(#84001072)
 5444-5446 Calumet Ave.
41°36′51″N 87°30′33″W / 41.614250°N 87.509167°W / 41.614250; -87.509167 (State Bank of Hammond Building)		 Hammond
68 State Street Commercial Historic District
State Street Commercial Historic District
September 17, 1999
(#99001157)
 Roughly State St. between Sohl and Bulletin Ave.
41°37′07″N 87°31′00″W / 41.618611°N 87.516667°W / 41.618611; -87.516667 (State Street Commercial Historic District)		 Hammond
69 Van Buren Terrace Historic District
Van Buren Terrace Historic District
June 22, 2007
(#07000565)
 336-354 Van Buren St.
41°36′17″N 87°20′47″W / 41.604722°N 87.346389°W / 41.604722; -87.346389 (Van Buren Terrace Historic District)		 Gary
70 West Fifth Avenue Apartments Historic District
West Fifth Avenue Apartments Historic District
May 17, 1984
(#84001076)
 Roughly 5th Ave. from Taft to Pierce St.
41°36′06″N 87°21′29″W / 41.601667°N 87.358056°W / 41.601667; -87.358056 (West Fifth Avenue Apartments Historic District)		 Gary
71 William Whitaker Landscape and House
William Whitaker Landscape and House
September 9, 1999
(#99001107)
 472 S. Main St.
41°24′37″N 87°21′50″W / 41.410278°N 87.363889°W / 41.410278; -87.363889 (William Whitaker Landscape and House)		 Crown Point
72 Whiting Memorial Community House
Whiting Memorial Community House
February 8, 1980
(#80000044)
 1938 Clark St.
41°40′41″N 87°29′47″W / 41.678056°N 87.496389°W / 41.678056; -87.496389 (Whiting Memorial Community House)		 Whiting
73 George John Wolf House
George John Wolf House
June 21, 2007
(#07000563)
 7220 Forest Ave.
41°34′57″N 87°31′27″W / 41.582500°N 87.524167°W / 41.582500; -87.524167 (George John Wolf House)		 Hammond
74 John Wood Old Mill
John Wood Old Mill
October 10, 1975
(#75000026)
 East of central Merrillville on State Road 330
41°28′36″N 87°13′18″W / 41.476528°N 87.221667°W / 41.476528; -87.221667 (John Wood Old Mill)		 Merrillville

Former listings

[3] Name on the Register Image Date listedDate removed Location City or town Summary
1 John Stewart Settlement House Upload image
June 7, 1978
(#78000039)
November 4, 1992
 1501 Massachusetts St.
 Gary
2 Wilbur Wynant House
Wilbur Wynant House
October 18, 2002
(#02001168)
December 15, 2011
 600 Fillmore St.
41°36′00″N 87°21′05″W / 41.6°N 87.351389°W / 41.6; -87.351389 (Wilbur Wynant House)		 Gary A house discovered in 1995 to have been designed by Frank Lloyd Wright. Largely burned in 2006.

See also

Wikimedia Commons has media related to National Register of Historic Places in Lake County, Indiana.

References

  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 December 16, 2016.
  3. 1 2 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 Park Service (2009-03-13). "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.
  6. ↑ Screening Level Risk Assessment Package: Material Service. Office of Response and Restoration, National Oceanic and Atmospheric Administration, 2013-03, 1. Accessed 2014-04-10.
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