Miniature Cup (Blue)

1937

Related works

United States Geological Survey, 1953

United States Geological Survey, 1935

United States Geological Survey, 1937

United States Geological Survey, 1940

United States Geological Survey, 1937

United States Geological Survey, 1937

United States Geological Survey, 1939

United States Geological Survey, 1935

United States Geological Survey, 1942

United States Geological Survey, 1935

United States Geological Survey, 1939

Dorothy Posten, 1937