TY  - BOOK
T1  - Preliminary geologic map of the Winchester 30 x 60 minute quadrangle, West Virginia, Virginia, and Maryland
DA  - 1991.
CY  - [Reston, VA] :
AU  - McDowell, Robert C.,
VL  - 91-22
CN  - I 19.76:
PB  - U.S. Geological Survey,
PP  - [Reston, VA] :
PY  - 1991.
N1  - Cover title.
ID  - 241255
KW  - Geology
KW  - Geology
KW  - Geology
TI  - Preliminary geologic map of the Winchester 30 x 60 minute quadrangle, West Virginia, Virginia, and Maryland
ER  -