Subsurface projection of Cambro-Ordovician sediments in the Pennsylvania-New York region
Publisher: Commonwealth of Pennsylvania, Dept. of Internal Affairs, Topographic and Geologic Survey
Published: 1950
Place of publication: Harrisburg
Language: eng
Number of pages: 18
Subjects: Geology, Stratigraphic -- Cambrian.; Geology, Stratigraphic -- Ordovician.; Geology -- Pennsylvania.; Geology -- New York (State)
Notes: "Bibliographic sources": p. 18.
Cover title.