Geologic map of the Urbana quadrangle, Frederick and Montgomery counties, Maryland /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Southworth, Scott, 1957-
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : Denver, CO. : The Survey ; Information Services, 1999 [i.e. 2000]
Series:	Geologic quadrangle map ; GQ-1768.
Subjects:	Geology > Maryland > Frederick County > Maps. Geology > Maryland > Montgomery County > Maps.

Evans: Maps File (2nd floor)