Geologic map index of Delaware and Maryland /

Bibliographic Details
Main Author: Boardman, Leona, 1894-1957
Corporate Author: Geological Survey (U.S.)
Format: Map
Language:English
Published: Washington, D.C. : U.S. Geological Survey, 1951.
Subjects:
Description
Item Description:Cartographic material.
Physical Description:1 map : color ; 45 x 82 cm, on sheet 57 x 93 cm
Bibliography:Includes "Key to index map" (bibliography of 74 maps).