May 26

Central New Mexico to west-central Colorado, via Durango and the San Juan Mts.

Travel - Abiquiu, NM to Black Canyon of the Gunnison N.P, near Montrose, CO.
Geological - Pyroclastic rocks and calderas, San Juan volcanic field; Proterozoic crystalline rocks at Black Canyon of the Gunnison.

San Juan and Paradox basins; Tertiary San Juan volcanic field; Proterozoic Yavapai terrane of Colorado.

660 Guidebook

Camping;
South Rim Campground
Black Canyon of the Gunnison N. P., CO

Faculty:

Dr. Mark Helper