Grand Canyon, Arizona  

Cochise College
USA Geology Maps   
Geology Home Page                                   

Roger Weller, geology instructor

Original map is the Geologic Map of the United States
United States Geological Survey
edited by P.B. King and H.M. Beikman, 1974
original scale was 1: 2,500,000


Contours and culture have been removed from the geologic map.