Geologic map of the Ashland quadrangle, Columbia and Schuylkill Counties, Pennsylvania

Geologic Quadrangle 918
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Publication type Report
Publication Subtype USGS Numbered Series
Title Geologic map of the Ashland quadrangle, Columbia and Schuylkill Counties, Pennsylvania
Series title Geologic Quadrangle
Series number 918
DOI 10.3133/gq918
Edition -
Year Published 1971
Language ENGLISH
Description 1 map.
Scale 24000
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