TY  - BOOK
AU  - Frakes,Lawrence A.
TI  - Stratigraphy of the Devonian Trimmers Rock in eastern Pennsylvania
T2  - Pennsylvania
PY  - 1967///
CY  - Harrisburg [Topographic and Geologic Survey]
KW  - Geology, Stratigraphic
KW  - Devonian
KW  - Petrology
KW  - Pennsylvania
N1  - "Pennsylvania Geological Survey. 4th series."; Spine title: Devonian Trimmers Rock in eastern Pennsylvania; Thesis--UCLA, 1964
ER  -