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.
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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.
1927. Geological Survey (U.S.). Relief shown by contours and spot heights.; "Surveyed in 1926."; Index map on each sheet. 46 x 63 centimeters + Scale 1:31,680 General Map Collection. The Survey.
1914. Geological Survey (U.S.). Relief shown by spot heights and contours. Contour interval 100 feet.; George Otis Smith, Director USGS. R.B. Marshall, Chief Geographer; Sledge Ta... The Survey.