Cover Image

Bedrock map of Montgomery County, Maryland /

Bibliographic Details
Main Author: Froelich, A. J. (Albert Joseph), 1929-
Format: Government Document Map
Language:English
Published: Reston, Va. : U.S. Geological Survey, 1975.
Series:Miscellaneous investigations series. Map I-920-D
Subjects:
Geology > Maryland > Montgomery County > Maps.
Montgomery County (Md.) > Maps.
Description
Item Description:Countour interval 20 feet.
Includes table, cross section, text, location map.
Cartographic material.
Physical Description:color map ; 83 x 94 cm. folded in env. 30 x 24 cm.
Bibliography:"Selected references."