Guide to the geology from Dauphin to Sunbury, by Bradford Willard.
Material type:
TextSeries: Bulletin G ; 13Publication details: Harrisburg, Pa., Department of internal affairs, Topographic and geologic survey, 1939.Description: 24 p. illus., tables, fold. map. 23 cmSubject(s): LOC classification: - QE158.S8 W5
At head of title: Pennsylvania Geological survey, Fourth series.
On cover: Commonwealth of Pennsylvania. Department of internal affairs.
"List of references": p. 18-19.
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