Guidebook to the geology about Pittsburgh.

Bibliographic Details
Main Author:	Leighton, Henry, 1884-
Format:	Book
Language:	English
Published:	Harrisburg, [publisher not identified] ; 1947
Edition:	2d ed.
Series:	Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; G17.
Subjects:	Geology > Pennsylvania > Pittsburgh. Pittsburgh (Pa.) > Description and travel > Guidebooks.

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