Cover Image

Map showing relative ease of excavation in the Aspen quadrangle, Pikin County, Colorado /

Show other versions (6)
Bibliographic Details
Main Author: Bryant, Bruce, 1930-
Corporate Author: Geological Survey (U.S.)
Format: Government Document Map
Language:English
Published: Washington, D.C. : Geological Survey, 1972.
Series:Miscellaneous geologic investigations ; map I-785-C.
Subjects:
Soils > Colorado > Pitkin County > Maps.
Excavation > Maps.
Description
Item Description:Relief shown by contours and spot heights.
"Base from U.S. Geological Survey, 1960. 10,000-foot grid based on Colorado coordinate system, central zone. 1000-meter Universe Transverse Mercator grid ticks, zone 13, shown in blue."
"Datum is mean sea level."
Includes quadrangle location diagram and text.
Cartographic material.
Physical Description:1 map : color ; 58 x 45 cm., folded to 26 x 22 cm., in envelope 30 x 24 cm.