Cover Image

Reconnaissance geologic map of parts of the Twin Peaks and Blanca Peak quadrangles, Alamosa, Costilla, and Huerfano counties, Colorado /

Bibliographic Details
Corporate Author: Geological Survey (U.S.)
Other Authors: Johnson, Bruce R., Bruce, Robert M.
Format: Government Document Map
Language:English
Published: Reston, Va. : The Survey ; 1991.
Series:Miscellaneous field studies ; map MF-2169.
Subjects:
Geology > Colorado > Alamosa County > Maps.
Geology > Colorado > Costilla County > Maps.
Geology > Colorado > Huerfano County > Maps.
Description
Item Description:Relief shown by contours and spot heights.
"Geology mapped 1981-1983."
Includes bibliography, index map, and cross section.
Cartographic material.
Physical Description:1 map ; 49 x 56 cm., on sheet 73 x 87 cm., folded in envelope 30 x 24 cm.