1 map : color ; 110 x 151 cm + 1 booklet (iv., 80 pages : illustrations ; 28 cm)
OCLC
ocm28945387
Cartographic Data
Scale 1:500,000. 1 in. = approx. 8 miles
(W 83°41ʹ--W 75°15ʹ/́N 39°28ʹ--N 36°32ʹ).
Text title: Geologic map of Virginia, expanded explanation.
"Base map from U.S. Geological Survey State of Virginia, 1973."
"...detailed and reconnaissance geologic mapping ... was done in cooperation with the U.S. Geological Survey through the Cooperative Geologic Mapping Program (COGEOMAP) from 1984 to 1992..."
Includes "Location map for geologic columns," index map of geologic mapping responsibilities, and text.
Includes bibliographical references (pages 19-24, 52-59, 64-66, and 70-77 of booklet, and on map verso: Maps used in the compilation ... ).