Geology and Petrology of the San Juan Region Southwestern Colorado (Geological Survey Professional Paper 258)
Place Published: Washington DC
Publisher: United States Government Printing Office
Date Published: 1956
Book Id: 39993
303pp. Quarto [29 cm] Gray and black printed wraps. Very good condition. With the table chart in the rear pocket.
A comprehensive geologic and petrologic study of the occurrence and origin of the rocks in an area of 12,000 square miles in southwestern Colorado.