Cram Mountain Mine

The 'Cram Mountain Mine' file is part of the Edwin Noel Pennebaker Mining Collection. Edwin Noel Pennebaker received a B.S. in economic geology from University of California at Berkeley in 1924 and later went on to graduate studies. From the mid 1920s until the mid 1980s, he worked mainly as a consulting geologist for numerous companies around the globe. During the period 1935 to 1976, he consulted for a number of companies in Arizona, including Phelps Dodge, Miami Copper Company, The American Metal Company, National Lead Company, Consolidated Coppermines Corporation, and others. After 1985, he was Director Emeritus of Coeur d'Alene Mines Corporation, Wallace, ID. This collection of economic geologic reports focuses strictly on Arizona.