Geologic map of the Colrain quadrangle, Massachusetts-Vermont : bedrock geology /

Bibliographic Details
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Segerstrom, Kenneth, 1909-1992
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1956.
Series:	Geologic quadrangle map ; GQ-86.
Subjects:	Geology > Massachusetts > Maps. Geology > Vermont > Maps.

Description
Item Description:	Title on envelope: Bedrock geology of the Colrain quadrangle, Massachusetts-Vermont. Relief shown by contours and spot heights. "Geology mapped in 1951." Includes text, bibliography, structure sections, and quadrangle map. Cartographic material.
Physical Description:	1 map : color ; 44 x 33 cm., on sheet 76 x 125 cm., folded in envelope 30 x 24 cm.