TY  - BOOK
AU  - Claypole,E.W.
TI  - A preliminary report on the palaeontology of Perry county,: describing the order and thickness of its formations and its folded and faulted structure
T2  - Pennsylvania. Geological survey, 2d. Report of progress
AV  - QE157 .A16 vol. F2
PY  - 1885///
CY  - Harrisburg
PB  - Pub. by the Board of commissioners for the Second geological survey
KW  - Paleontology
KW  - Pennsylvania
KW  - Perry County
KW  - Geology
N1  - On cover: Pennsylvania. Second geological survey, Perry county. Part I. Geology
ER  -