Two Eagles with Tower in Background

1610–1664

Related works

United States Geological Survey, 1935

United States Geological Survey, 1937

United States Geological Survey, 1935

United States Geological Survey, 1935

United States Geological Survey, 1910

United States Geological Survey, 1936

United States Geological Survey, 1937

United States Geological Survey, 1935

United States Geological Survey, 1936

United States Geological Survey, 1936

United States Geological Survey, 1935

United States Geological Survey, 1940