Geologic map of the Iris quadrangle, Gunnison and Saguache counties, Colorado /

Bibliographic Details
Main Author:	Olson, J. C. (Jerry Chipman), 1917-2013
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Map
Language:	English
Published:	Reston, Va. : The Survey, 1976.
Series:	Geologic quadrangle map ; GQ-1286.
Subjects:	Geology > Colorado > Gunnison County > Maps. Geology > Colorado > Saguache County > Maps.

Description
Item Description:	Relief shown by contours and spot heights. Contour interval 20 feet. Includes 3 col. cross-sections, and location map. Cartographic material.
Physical Description:	1 map : color ; 58 x 45 cm., on sheet 84 x 81 cm., folded in envelope 30 x 24 cm.
Bibliography:	Includes bibliographical references.