Interpreting geologic maps for engineering purposes: Hollidaysburg quadrangle, Pennsylvania.

Interpreting geologic maps for engineering purposes: Hollidaysburg quadrangle, Pennsylvania.

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Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Format:	Map
Language:	English
Published:	Washington, 1953.
Subjects:	Geology > Maps.

Description
Item Description:	Cover title.
Physical Description:	[6] l. col. maps. 56 cm.