1915. Geological Survey (U.S.). Scale 1:62,500 Relief shown by contours and spot heights. Contour interval 50 ft. "Surveyed in 1893-94." Text and ill. on verso. Department of the ... The Survey.
Search Results
1915. Geological Survey (U.S.). Scale 1:62,500 Relief shown by contours and spot heights. Title in upper center margin: Topography. Title in upper right margin: Washington, Mt. Ra... The Survey.