TY  - BOOK
AU  - Willard,Bradford
TI  - Guide to the geology from Dauphin to Sunbury,
AV  - QE158.S8 W5
PY  - 1939///
CY  - Harrisburg, Pa.
PB  - Department of internal affairs, Topographic and geologic survey
KW  - Geology
KW  - Pennsylvania
N1  - At head of title: Pennsylvania Geological survey, Fourth series; On cover: Commonwealth of Pennsylvania. Department of internal affairs; "List of references": p. 18-19
ER  -