Geology and Ore Deposits of the Index Mining District.
Olympia, WA: Washington Geological Survey, 1912. 8vo. 96 pp. Spine ends and corners have light wear. Front cover lightly scratched. Book is slightly bowed. First front end page and rear paste down have stamps from previous owner. Book contains chapters on physiography, general geology, economic geology and detailed descriptions of the mines in the area. Very Good Hard Cover (Item ID: 45742)