Built 1911

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12th Avenue South Bridge (King County, Washington)
Steel arch bridge over WA 90 (Dearborn Street) on 12th Avenue S in Seattle
1911 Kinney County Courthouse (Kinney County, Texas)
69th Street Transfer Bridge (New York County, New York)
A. S. Cleveland House (Harris County, Texas)
A.B.C. Storage and Van Company Building (Jackson County, Missouri)
A.P. Dickman House (Hillsborough County, Florida)
Adams School (Maricopa County, Arizona)
Adolph C. Ochs House (Brown County, Minnesota)
Aitkin Carnegie Library (Aitkin County, Minnesota)
Albert Heintz Oscar, and Linda, House (Multnomah County, Oregon)
Alexander D. McDougall House (Multnomah County, Oregon)
All Souls Congregational Church (Penobscot County, Maine)
Allison Mansion (Marion County, Indiana)
Alvarado Theater (Los Angeles County, California)
American Apartment Building (Multnomah County, Oregon)
American Chicle Company Building (Orleans Parish, Louisiana)
American Peace Society (Washington, District of Columbia)
Amory--Appel Cottage (Cheshire County, New Hampshire)
Andrew H. Gay House (Iberville Parish, Louisiana)
Andrews Building/Farmington Drug (San Juan County, New Mexico)
Anna Lewis Mann Old People's Home (Multnomah County, Oregon)
Antlers Frisco Depot and Antlers Spring (Pushmataha County, Oklahoma)
Anton Diebold House (Jefferson County, Kentucky)
Apalachee School (Morgan County, Georgia)
Apex Town Hall (Wake County, North Carolina)
Arcadia Theatre (Wilson County, Texas)
Arkadelphia Confederate Monument (Clark County, Arkansas)
Army and Navy YMCA (Newport County, Rhode Island)
Ashland Public Library (Saunders County, Nebraska)
Ashton Heights Historic District (Arlington County, Virginia)
Athens Theater (Craven County, North Carolina)
Atlantic Coast Line Railroad Station (Cumberland County, North Carolina)
Audubon Trolley Station (New Hanover County, North Carolina)
August Elzner House (Bastrop County, Texas)
August F. Martzahn House (Scott County, Iowa)
Aurora University Complex (Kane County, Illinois)
Austin Dam (Potter County, Pennsylvania)
Ayers Bank Building (Morgan County, Illinois)
B&O Train Station (Unspecified county, West Virginia)
B. J. Ricker House (Poweshiek County, Iowa)
Baldwin Building (Carbon County, Montana)
Bally Blacksmith Shop (Cook County, Minnesota)
Baltimore General Dispensary (Baltimore, Maryland)
Bank of American Fork (Utah County, Utah)
Bank of Bigheart (Osage County, Oklahoma)
Bank of College Grove, The (Williamson County, Tennessee)
Bank of Eureka Building (Humboldt County, California)
Bank of Kingston (Madison County, Arkansas)
Bank of Surrency (Appling County, Georgia)
Baptist Institute for Christian Workers (Philadelphia County, Pennsylvania)
Barnard J. Stewart Ranch House (Wasatch County, Utah)
Barnes-Steverson House (McCurtain County, Oklahoma)
Baughman's Mill and Stanford Railroad Depot (Lincoln County, Kentucky)
Mill and Depot
Bay E, West Ankeny Car Barns (Multnomah County, Oregon)
Baynham House (Clay County, Arkansas)
Beaconsfield (Harris County, Texas)
Beckham County Courthouse (Beckham County, Oklahoma)
Belhaven City Hall (Beaufort County, North Carolina)
Benjamin H. Carter House (Clarke County, Mississippi)
Benjamin Loers House (Island County, Washington)
Bennington No. 4 (Black Hawk County, Iowa)
Benson Building (Baltimore, Maryland)
Benton County Jail (Benton County, Arkansas)
Berkeley Lake Park (Denver County, Colorado)
Beverly Road Historic District (Wayne County, Michigan)
Big 4 Fair Art Hall (Wapello County, Iowa)
Billings Chamber of Commerce Building (Yellowstone County, Montana)
Bissette--Cooley House (Nash County, North Carolina)
Bitter Root Cooperative Creamery (Ravalli County, Montana)
Blue Bell Creameries Complex (Washington County, Texas)
Bona Allen House (Gwinnett County, Georgia)
Bonneville Salt Flats Race Track (Tooele County, Utah)
Booth Hotel (Montgomery County, Kansas)
Boston Young Men's Christian Association (Suffolk County, Massachusetts)
Boulders, The (Orange County, New York)
BPRR - Mahoning Creek Bridge #2 (Armstrong County, Pennsylvania)
Deck truss bridge over Mahoning Creek on Buffalo & Pittsburgh Railroad
Bridge (Antelope County, Nebraska)
Bridge in West Wheatfield Township (Indiana County, Pennsylvania)
Bridge No. L-4646 (Rock County, Minnesota)
Concrete arch bridge over Spring Brook on MN 11 in Beaver Creek
Bruneau Episcopal Church (Owyhee County, Idaho)
Buckingham Apartments (Vanderburgh County, Indiana)
Burns Cottage (Fulton County, Georgia)
Business Women's Club, The (Jefferson County, Kentucky)
Byron J. Strough House (Jefferson County, New York)
C B & Q Holdrege Depot (Phelps County, Nebraska)
C. A. Rownd Round Barn (Black Hawk County, Iowa)
C. B. Power Bungalow (Lewis and Clark County, Montana)
C.L. and Bessie G. McGhee House (Franklin County, North Carolina)
Cal Palmer Memorial Building (Orange County, Florida)
Calvin and Maggie Cook House (Ravalli County, Montana)
Cameron Suspension Bridge (Coconino County, Arizona)
Wire suspension bridge over Little Colorado River on US 89
Campbell Building (Allegheny County, Pennsylvania)
Candler Street School (Hall County, Georgia)
Canton Theater (Cherokee County, Georgia)
Capital City Club (Fulton County, Georgia)
Capt. Harold B. Jeffries House (Pasco County, Florida)
Capt. W. F. Purdy House (Sarasota County, Florida)
Carnegie Library (Grays Harbor County, Washington)
Carnegie Library (Sauk County, Wisconsin)
Former Carnegie Library now serving as part of the Reedsburg City Hall
Celaya--Creager House (Cameron County, Texas)
Central High School (Shelby County, Tennessee)
Central YMCA (Cuyahoga County, Ohio)
Chalfonte Apartments (Wayne County, Michigan)
Charles E. Blair House (Albany County, Wyoming)
Charles Lehmback Farmstead (De Kalb County, Indiana)
Charles P. Ledbetter House (Travis County, Texas)
Charles R. Palmer House (Chittenden County, Vermont)
Charlton Mill (Bristol County, Massachusetts)
Chase's Theater and Riggs Building (Washington, District of Columbia)
Chaves County Courthouse (Chaves County, New Mexico)
Cherokee Theater (St. Louis, Missouri)
Chinese Odd Fellows Building (Ada County, Idaho)
Chunky River Bridge (Newton County, Mississippi)
Through truss bridge over Chunky River on Griffis-Fountain Road at Chunky
Churchill Public School (Laramie County, Wyoming)
Cicero Francis Lowe House (Forsyth County, North Carolina)
Citizens Building (Garland County, Arkansas)
Citizens National Life Insurance Building (Jefferson County, Kentucky)
City Hall (New York County, New York)
City Hall (Allegany County, Maryland)
City Waterway Bridge (Pierce County, Washington)
Vertical lift bridge over Foss Waterway on E. 11th Street in Tacoma
Clark Brothers Factory No. 2 (Hartford County, Connecticut)
Class and Nachod Brewery (Philadelphia County, Pennsylvania)
CLAUD W. SOMERS (skipjack) (Northumberland County, Virginia)
CLAUDE W. SOMERS (Talbot County, Maryland)
Clermont Street Parkway (Denver County, Colorado)
Cleveland County Courthouse (Cleveland County, Arkansas)
Clifton Theater (Cook County, Illinois)
Cluff Apartments (Salt Lake County, Utah)
Col. E. M. Heigho House (Adams County, Idaho)
Colfax Elementary School (Allegheny County, Pennsylvania)
Colony Theater (Washington County, Ohio)
Colver Historic District (Cambria County, Pennsylvania)
Community House (Cook County, Illinois)
Comstock Hall (Tompkins County, New York)
Concrete Block House (Maricopa County, Arizona)
Congregation Tifereth Israel (Queens County, New York)
Connellsville Union Passenger Depot (Fayette County, Pennsylvania)
Convicts' Bread Oven (Mesa County, Colorado)
Cook County Courthouse (Cook County, Minnesota)
Cooke County Courthouse (Cooke County, Texas)
Cordelia A. Culbertson House (Los Angeles County, California)
County Bridge No. 148 (Chester County, Pennsylvania)
Courtlandt Place Historic District (Harris County, Texas)
Covington House (Madison County, Kentucky)
Crawford W. Brazell House (Toombs County, Georgia)
Crawford W. Long Memorial Hospital (Fulton County, Georgia)
Crawfordsville High School (Montgomery County, Indiana)
Crook County Bank Building (Crook County, Oregon)
Cross Mountain Miners' Circle (Anderson County, Tennessee)
Crown Theater (Mobile County, Alabama)
Cullars Rotation (Lee County, Alabama)
The oldest ongoing cotton fertility experiment in the United States, the oldest soil fertility experiment in the Southern United States, and the second oldest continuous cotton experiment in the world.
Curt E. DeGraff House (Codington County, South Dakota)
Custer County Courthouse and Jail (Custer County, Nebraska)
Dallas County Courthouse (Dallas County, Arkansas)
Danholt (Texas County, Oklahoma)
Daniels and Fisher Tower (Denver County, Colorado)
Daniels School (Weld County, Colorado)
Davis C. Cooper House (Calhoun County, Alabama)
DDI Electric Locomotive No. 36 (Lancaster County, Pennsylvania)
Dean House (Miller County, Arkansas)
Delaney School (St. Louis, Missouri)
Delmar Loop-Parkview Gardens Historic District (Unspecified county, Missouri)
Dendinger House (St. Tammany Parish, Louisiana)
Denver Tramway Powerhouse (Denver County, Colorado)
DeSoto Parish Courthouse (De Soto Parish, Louisiana)
Dillon County Courthouse (Dillon County, South Carolina)
Doe Memorial Library (Alameda County, California)
Dorris Motor Car Company (St. Louis, Missouri)
Double Roof House (Yuma County, Arizona)
Dougan Round Barn (Rock County, Wisconsin)
Downtown LaBelle Historic District (Hendry County, Florida)
Dr. Andrew Anderson House (Lincoln County, South Dakota)
Dr. David and Juanita Lewis House (Salt Lake County, Utah)
Dr. Marion Luther Brittain Sr., House (Fulton County, Georgia)
Dr. Martin M. Krotoszyner Medical Offices and House (San Francisco County, California)
Dr. Noble Wiley Jones House (Multnomah County, Oregon)
Drakes Creek Baptist Church (Warren County, Kentucky)
Duff T. Brown House (Mohave County, Arizona)
Durant Hall (Alameda County, California)
E. G. Barnum House (Tripp County, South Dakota)
E. L. Gray House (Franklin County, New York)
Ebenezer Baptist Church (Atchison County, Kansas)
Echols Memorial Christian Church (Sebastian County, Arkansas)