The scenery of Pennsylvania : its origin and development based on recent studies of physiographic and glacial history

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Bibliographic Details
Main Author: Ashley, Geo. H. 1866-1951.
Corporate Author: Pennsylvania. Bureau of Topographic and Geologic Survey.
Format: Book
Language:English
Published: Harrisburg, Pa. : Pennsylvania Topographic and Geologic Survey, 1933.
Series:Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) ; G6.
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Item Description: Contains bibliographical references.
Physical Description: ix, 91 pages : illustrations ; 23 cm.