Geologic map of the Robertson River igneous suite, Blue Ridge province, northern and central Virginia /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Tollo, Richard P., Lowe, Tamara K.
Format:	Government Document Map
Language:	English
Published:	Reston, VA : The Survey ; 1994.
Series:	Miscellaneous field studies ; map MF-2229.
Subjects:	Petrology > Virginia > Maps. Petrology > Blue Ridge Mountains Region > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Includes text, 3 col. cross sections, and location map. Cartographic material.
Physical Description:	1 map : color ; 125 x 89 cm., on sheet 137 x 96 cm., folded in envelope 30 x 24 cm. + 1 pamphlet (15 pages : illustrations ; 28 cm.).
Bibliography:	Pamphlet includes bibliographical references (pages 13-15).