Guidebook to places of geologic interest in the Lehigh Valley, Pennsylvania
By: by Benjamin LeRoy Miller
Series: Pennsylvania. Bureau of Topographic and Geologic Survey Bulletin -- G no. 16; Bulletin (Pennsylvania. Bureau of Topographic and Geologic Survey) -- G no. 16.
Publisher: Department of Internal Affairs, Topographic and Geologic Survey
Published: 1939
Place of publication: Harrisburg
Language: eng
Number of pages: 47
Subjects: Geology
Notes: At head of title: Pennsylvania Geological Survey, fourth series.

Includes bibliographical references (p. 23-24).