1. Maps. Cumberland [Md.], shaded relief map, lat. 39°-40°, long. 78°-80°. Scale 5 m.=1.3 in., scale 1:250,000, contour interval 100 ft. n. p. Bookmark Corporate/Agency Authors: Geological Survey and Interior Dept. Publisher: Geological Survey Date: [1950] SuDoc number: I 19.26:C 91