U.S. 99 in Kern County on the Tehachapi Ridge. February 1939. Migrant workers travel seasonally back and forth between the Imperial Valley and San Joaquin Valley over this ridge. View full size. Photograph by Dorothea Lange. (The billboard up ahead: "76 miles to GRAPEVINE air cooled cafe.")

Dorothea Lange, Resettlement Administration photographer, in California atop car with her giant camera. February 1936. View full size.

June 1938. Caddo, Oklahoma. Migrants leave the small towns as well as the farms of the southwest. This region is a source of many emigrants to the Pacific Coast. View full size. Photograph by Dorothea Lange.

August 1936. Drought refugees from Abilene, Texas, following the crops of California as migratory workers. Said the father: "The finest people in this world live in Texas but I just can't seem to accomplish nothin' there. Two year drought, then a crop, then two years drought and so on. I got two brothers still trying to make it back there." View full size. Photograph by Dorothea Lange.

"To serve the crops of California, thousands of families live on wheels. Near Bakersfield, California." View full size. Photograph by Dorothea Lange.

"Miss Powell and Miss Sands" circa 1910. View full size. G.G. Bain Collection.

Ruth McDonald and roadster circa 1925. View full size. 5x7 glass negative, George Grantham Bain Collection. (So, who was Ruth McDonald?)

The President's 40-horsepower White Model M steam-powered touring car. March 1909. Photographed on the White House grounds in the early days of the Taft administration. In the back is the State Department, now the Eisenhower Executive Office Building. View full size. George Grantham Bain Collection. Question for the old-car experts: Does each tire really have multiple valve stems?

American roadster at the Vanderbilt Cup, 1909. View full size. George Grantham Bain Collection.

Night view of the Washington Street produce market, New York City, 1952. View full size. Photograph by Walter Albertin for the World Telegram & Sun.

Freight depot of the Army consolidating station at Chicago. April 1943. View full size. 4x5 Kodachrome transparency by Jack Delano.

Exterior of Thirteenth Avenue Retail Market, Brooklyn. 1965. View full size. Photograph by Phyllis Twachtman. The car: 1960 Dodge Dart Pioneer.

Janatzy in the Vanderbilt Cup auto race. Possibly October 1908. View full size. George Grantham Bain Collection. More posts from the race follow.

Vanderbilt Cup Auto Race, Robertson in Locomobile on track. October 24, 1908. View full size. George Grantham Bain Collection.

W.K. Vanderbilt Jr.'s Mercedes at the Vandedrbiilt Cup auto race. October 24, 1908. View full size. George Grantham Bain Collection. Zoom in.