TY  - BOOK
AU  - Butts,Charles
ED  - Geological Survey (U.S.)
ED  - Virginia Geological Survey.
TI  - Geology of the Appalachian valley in Virginia,
T2  - Virginia. Geological survey. Bulletin
AV  - QE173 .A2 no. 52
PY  - 1940///-
CY  - University, Va.
KW  - Geology
KW  - Virginia
N1  - At head of title: Commonwealth of Virginia. Virginia Conservation Commission. Virginia Geological survey, Arthur Bevan, state geologist; Bibliographical foot-notes; pt. 1. Geologic text and illustrations.--pt. II. Fossil plates and explanations
ER  -