Magnetic and radiometric data, Southwest Piedmont of  Virginia.
Series: Information circular -- 12; Information circular (Virginia.  Division of Mineral Resources) -- 12
Publisher: Virginia Division of Mineral Resources
Published: 1966
Place of publication: Charlottesville
Language: eng
Subjects: Geomagnetism -- Virginia -- Maps; Radioactivity -- Measurement
Notes: At head of title: Commonwealth of Virginia.  Department of Conservation and Economic Development, Division of  Mineral Resources.

4 fold. maps in pocket.