Relief shown by contours.
"Base from U.S. Geological Survey 1987; geology mapped 1993, 1994, and 1996."
Guide contains: description of map units, economic geology, geochemical analyses, and references.
Includes bibliographical references in guidebook (p. 19-22)
This mapping project was funded jointly by the Colorado Geological Survey and the U.S. Geological Survey STATEMAP program of the National Geologic Mapping Act of 1992, Agreement No. 1434-94-A-1225.
Description based on print version record.
