Built 1871

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A.M. Knowlson's Pharmacy (Rensselaer County, New York)
Three story brick commercial building built in 1871
Adams-Pickering Block (Penobscot County, Maine)
Alcorn State University Historic District (Claiborne County, Mississippi)
Alexandria City Hall (Alexandria, Virginia)
Aliiolani Hale (Honolulu County, Hawaii)
Andrew Powell Homestead (Hancock County, Ohio)
Assay Office (Ada County, Idaho)
B & O Railroad Viaduct (Belmont County, Ohio)
Listed at Bridgehunter as "WE Great Stone Viaduct"
Ball--Essen Farmstead Historic District (St. Louis County, Missouri)
Banks-Mack House (York County, South Carolina)
Bartholomew County Courthouse (Bartholomew County, Indiana)
Bartlett Blacksmith Shop-Scandinavian Hotel (Trempealeau County, Wisconsin)
Now a private residence
Bartonsville Covered Bridge (Windham County, Vermont)
Lost covered bridge over Williams River on C3008 (Lower Bartonsville Rd) in Rockingham
Beckett's Castle (Cumberland County, Maine)
Big John Farm Limestone Bank Barn (Morris County, Kansas)
Bistline Covered Bridge (Perry County, Pennsylvania)
Covered bridge over Shermans Creek on PA 3005
Blockhouse on Signal Mountain (Comanche County, Oklahoma)
Bowles House (Adams County, Colorado)
Cedar Point Mill (Chase County, Kansas)
Central Congregational Church (Bristol County, Massachusetts)
Chapin, Edward, House (Litchfield County, Connecticut)
Christ Church United Methodist Church (Rensselaer County, New York)
Gothic Revival limestone church built in 1871
Christ Presbyterian Church (Stark County, Ohio)
Site of the wedding of Ida Saxton and future President William McKinley
Colchester Reef Lighthouse (Chittenden County, Vermont)
French Second Empire style lighthouse with keeper's house built in 1871
Connecticut Valley Railroad Roundhouse and Turntable Site (Middlesex County, Connecticut)
Stone artifacs of the turntable and roundhouse of the Connecticut Valley RR.
Cowan, McClung and Company Building (Knox County, Tennessee)
Cutler-Donahoe Covered Bridge (Madison County, Iowa)
Covered bridge over a ditch in Winterset City Park
Daniel Cameron House (Houston County, Minnesota)
Duxbury Pier Light (Plymouth County, Massachusetts)
Eagle Harbor Light Station (Keweenaw County, Michigan)
East Broad Top Railroad (Huntingdon County, Pennsylvania)
East Village Historic District (Milwaukee County, Wisconsin)
Ethnic workers' neighborhood with dense housing on an irregular street pattern
Eastern Market (Washington, District of Columbia)
El Tiradito (Pima County, Arizona)
Erwinna Covered Bridge (Bucks County, Pennsylvania)
Evergreen Cemetery (El Paso County, Colorado)
Ferdinand Schulze House (Dodge County, Wisconsin)
A good example of a mid-nineteenth century, rural, tradesman's farm
First Baptist Church (Wood County, West Virginia)
First Congregational Church of Marion (Perry County, Alabama)
Constructed by members and friends of the congregation in 1871 and is the oldest and most unaltered example of an early black church in Marion.
First County Seat (Scott County, Indiana)
Lexington First County Seat of Scott County
First Welsh Congregational Church (Johnson County, Iowa)
Fort Niagara Lighthouse (Niagara County, New York)
Fort Washakie Historic District (Fremont County, Wyoming)
Gilbert Clock Factory (Litchfield County, Connecticut)
Gilruth District #4 Schoolhouse (Scott County, Iowa)
Typical Iowa one-room school house, Demolished 1991
Glendale Police Station (Hamilton County, Ohio)
Goodall, Thomas, House (York County, Maine)
Goodnight Barn (Pueblo County, Colorado)
Goodspeed Yard Office (Middlesex County, Connecticut)
Grand Avenue Water Tower (St. Louis, Missouri)
Granite Mill No. 2 (Bristol County, Massachusetts)
Green Mill Ford Bridge (Bremer County, Iowa)
Two-span bowstring through truss bridge over Cedar River on Greenmill Avenue, northeast of Janesville
Griffin House (Cumberland County, Maine)
Gruenewald House (Madison County, Indiana)
Halfway Rock Light Station (Cumberland County, Maine)
Hampden County Courthouse (Hampden County, Massachusetts)
Henry Glassaway Davis House (Mineral County, West Virginia)
Howland Library (Dutchess County, New York)
Hurstville Lime Works (Jackson County, Iowa)
Four lime kilns that produced lime from 1870 to 1930.
Iolani Palace (Honolulu County, Hawaii)
Iowa State Capitol (Polk County, Iowa)
Jacob Kamm House (Multnomah County, Oregon)
James H. and Marietta Comfort House (St. Louis County, Missouri)
Jefferson Fire Station (Jefferson County, Wisconsin)
Retired fire house serving business enterprises
Jesse Whitesell House (Fulton County, Kentucky)
John Garth House (Ralls County, Missouri)
Johnson County Courthouse (Johnson County, Illinois)
King Philip Mills (Bristol County, Massachusetts)
Lafayette County Courthouse (Lafayette County, Mississippi)
Lemley-Wood-Sayer House (Jackson County, West Virginia)
Lewis McKever Farmhouse (Clermont County, Ohio)
LEWIS R. FRENCH (schooner) (Knox County, Maine)
Lime Valley Covered Bridge (Lancaster County, Pennsylvania)
Covered bridge over Pequea Creek on Breneman Road
Lincolnville Historic District (St. Johns County, Florida)
Lucy Hobbs Taylor Building (Douglas County, Kansas)
Magness-Humphries House (Cherokee County, South Carolina)
Historic home near Gaffney, SC
Mansion House Hotel (Santa Cruz County, California)
Martin Van Buren Barron House (Eau Claire County, Wisconsin)
The third oldest house in Eau Claire
Martinsville Road Covered Bridge (Clinton County, Ohio)
Covered bridge over Todd's Fork on Martinsville Road (CR 14)
Michigan State Capitol (Ingham County, Michigan)
Mills Hall (Alameda County, California)
Missouri Governor's Mansion (Cole County, Missouri)
Mount Zion Covered Bridge (Washington County, Kentucky)
National Hotel (Waukesha County, Wisconsin)
Nevada State Capitol (Carson City, Nevada)
Odd Fellows Hall (Jones County, Iowa)
Odd Fellows Hall (Scioto County, Ohio)
Ohio Farm Bureau Federation Offices (Franklin County, Ohio)
Old Yaquina Bay Lighthouse (Lincoln County, Oregon)
Pennsylvania Railroad Freight Station (Washington County, Pennsylvania)
Peoria Tribal Cemetery (Ottawa County, Oklahoma)
Peshtigo Fire Cemetery (Marinette County, Wisconsin)
Philadelphia City Hall (Philadelphia County, Pennsylvania)
Pigeon Point Lighthouse (San Mateo County, California)
Point Breeze (Franklin County, Kentucky)
Polson Cemetery (Delaware County, Oklahoma)
Potter's Covered Bridge (Hamilton County, Indiana)
Proffit Historic District (Albemarle County, Virginia)
Rice Building (Rensselaer County, New York)
Six story Neo-Gothic commercial building built in 1871
Riverside Avenue Bridge (Fairfield County, Connecticut)
Whipple through truss bridge over Northeast Corridor (Metro North Railroad) on Riverside Avenue
Roak Block (Androscoggin County, Maine)
Robert and Elizabeth Fisk House (Lewis and Clark County, Montana)
Rockford Mill (Floyd County, Iowa)
Former mill now a private residence.
Roger Williams Park Historic District (Providence County, Rhode Island)
Saco High School (old) (York County, Maine)
Samuel D. James House (Waukesha County, Wisconsin)
Samuel E. Hill House (Ohio County, Kentucky)
Schlegelmilch-McDaniel House (Eau Claire County, Wisconsin)
Long time residence of the Schlegelmilch family descendants, given to the city to be a mueum
Shepaug Railroad Tunnel (Litchfield County, Connecticut)
Abandoned tunnel of the Shepaug, Litchfield, and Northern RR
Soldiers' Monument (Stephenson County, Illinois)
Springer Opera House (Muscogee County, Georgia)
Springfield Bridge (Faulkner County, Arkansas)
St. Augustine Lighthouse and Keeper's Quarters (St. Johns County, Florida)
Lighthouse and keepers quarters
St. Louis & Hannibal Line Depot (Ralls County, Missouri)
Another old depot slowly fading away
St. Mark's Episcopal Cathedral (Salt Lake County, Utah)
St. Paul's Episcopal Church (Dallas County, Alabama)
A historic Gothic Revival church located in Selma, Alabama.
St. Paul's Episcopal Church (Campbell County, Kentucky)
St. Stephen's Episcopal Church (Jasper County, Iowa)
Wood frame church build in 1881
STEPHEN TABER (schooner) (Knox County, Maine)
Trinidad Head Light Station (Humboldt County, California)
Troy Residential Historic District (Montgomery County, North Carolina)
Troy Stove Lining & Fire Brick Works (Rensselaer County, New York)
Fire Brick and refractory works built in 1871 demolished ca.1935
Valley Railway Historic District (Unspecified county, Ohio)
A 24.5 mile single track railway, its right-of-way, and 5 bridges.
Vincent House (Webster County, Iowa)
Waynesburg Theater and Arts Center (Greene County, Pennsylvania)
West Canfield Historic District (Wayne County, Michigan)
White County Courthouse (White County, Arkansas)
Whiting, Samuel Kidder, House (Hancock County, Maine)