Geologic map of the Topton quadrangle, Lehigh and Berks Counties, Pennsylvania

January 1, 1987

No abstract available.

Publication Year	1987
Title	Geologic map of the Topton quadrangle, Lehigh and Berks Counties, Pennsylvania
DOI	10.3133/gq1609
Authors	Avery Ala Drake
Publication Type	Report
Publication Subtype	USGS Numbered Series
Series Title	Geologic Quadrangle
Series Number	1609
Index ID	gq1609
Record Source	USGS Publications Warehouse

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