Map showing potential sources of gravel and crushed-rock aggregate in the Boulder-Fort Collins-Greeley area, Front Range urban corridor, Colorado /

Bibliographic Details
Main Author:	Colton, Roger B. (Roger Burnham), 1924-
Corporate Author:	Geological Survey (U.S.)
Other Authors:	Fitch, Harold R.
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : U.S. Geological Survey, 1974.
Series:	Miscellaneous investigations series (Geological Survey (U.S.)) ; map I-855-D.
Subjects:	Gravel > Colorado > Boulder County > Maps. Gravel > Colorado > Larimer County > Maps. Gravel > Colorado > Weld County > Maps.

Description
Item Description:	Text in the margin. Includes bibliographical references. Cartographic material.
Physical Description:	1 map : color ; 69 x 64 cm.