July 1938. "Pittsburgh. View of the city from Homestead." Medium format acetate negative by Arthur Rothstein for the Farm Security Administration. View full size.

September 1940. "Jail. Silverton, San Juan County, Colorado." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

September 1940. "Former miners' hospital, now the post office at Telluride, Colorado." Acetate negative by Russell Lee for the Farm Security Administration. View full size.

September 1940. "Detail of front of building. Silverton, Colorado." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

July 1940. "Entrance to the cemetery at Penasco, New Mexico." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

July 1940. "Chamisal, New Mexico. Spanish-American boy with chest which he carved. These people are adept in many of the handcrafts." Acetate negative by Russell Lee. View full size.

September 1940. "San Juan County Courthouse. Silverton, Colorado." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

September 1940. "Locomotives in roundhouse. Durango, Colorado." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

September 1940. "Old Imperial hotel built in Silverton, Colorado, during its heyday." Medium format acetate negative by Russell Lee for the Farm Security Administration. View full size.

November 1936. "Pregnant migrant woman living in squatter camp. Kern County, California." Acetate negative by Dorothea Lange for the Farm Security Administration. View full size.

December 1937. "Water tower on railroad through Jennings, Maryland. The train now runs only once a week." Medium format acetate negative by Arthur Rothstein. View full size.

May 25, 1923. "Post office on wheels decorated with Shrine colors. Postmaster Wm. M. Mooney is standing before the office." This rig, last seen here, serviced the big convention of Masonic orders held 97 years ago in Washington, D.C. 4x5 inch glass negative. View full size.

May 16, 1923. "Arlington Park, Virginia. Evelyn Wadsworth, daughter of Senator and Mrs. Wadsworth of New York, serving cold drinks at the National Capital Horse Show." Harris & Ewing Collection glass negative. View full size.

July 18, 1923. Washington, D.C. "Sunshine Girls dancing on beach." The British dance troupe last seen here, visiting the national capital for an engagement at the B.F. Keith vaudeville house. Harris & Ewing glass negative. View full size.

Washington, D.C., circa 1919. "War Risk Bureau check writing." From its genesis as a Treasury Department agency at the start of World War I, the Bureau of War Risk Insurance gradually morphed into today's Department of Veterans Affairs. National Photo Co. View full size.