Slate in Northampton County, Pennsylvania
By: by Charles H. Behre, Jr.
Series: Pennsylvania. Topographic and Geologic Survey. Bulletin M9; Bulletin M,; 9.
Publisher: Dept. of Forests and Waters, Topographic and Geologic Survey
Published: 1927
Place of publication: Harrisburg, Pa
Language: eng
Number of pages: 308
Subjects: Slate -- Pennsylvania -- Northampton County.; Geology -- Pennsylvania -- Northampton County.
Notes: Bibliographical foot-notes.
At head of title: Pennsylvania Geological Survey, fourth series.
Two folded plates and folded maps in pocket.