Virginia gravity base net

Main Author: Johnson, Stanley S.
Other Authors: Ziegler, Robert E.
Format: Book
Language: English
Published: Charlottesville, Va. : Virginia Division of Mineral Resources, 1972.
Physical Description: 22 pages : map ; 23 cm.
Series: Information circular (Virginia. Division of Mineral Resources) ; no. 17.
Subjects:
Physical Description: 22 pages : map ; 23 cm.