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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.

Corporate/Agency Authors:: Geological Survey and Interior Dept.
Publisher:: Geological Survey
Date:: [1950]
SuDoc number:: I 19.26:C 91