Auriferous Gravels and Gold Lodes of the Weaverville Quadrangle, California J S Diller - Paperback £12.95 Find out more
Economic Portions of Del Norte and Siskiyou Counties, Northwesternmost California John H Maxon - Paperback £10.95 Find out more
Mines and Mineral Resources of Siskiyou County, California Chas Volney Averill - Paperback £21.95 Find out more
Lode Gold Mines of the Alleghany Downieville Area, Sierra County, California 2 authors - Paperback £19.95 Find out more
GOLD DEPOSITS OF THE REDDING AND WEAVERVILLE Quadrangles Chas V Averill - Paperback £12.95 Find out more
Economic Geology of the Silverton Quadrangle, Colorado Frederick Leslie Ransome - Paperback £19.95 Find out more
Geology and Ore Deposits of the Red Cliff District, Colorado 2 authors - Paperback £10.95 Find out more
The Auriferous Gravels of the Sierra Nevada of California J D Whitney - Hardback £99.95 Find out more
Geology of Lode Gold Districts in the Klamath Mountains, California and Oregon Preston E Hotz - Paperback £15.95 Find out more
Mines and Mineral Resources of Mariposa County, California Oliver E Bowen - Paperback £21.95 Find out more
Mines and Mineral Resources of Nevada County, California Fletcher Hamilton - Paperback £21.95 Find out more
Geology and Mineral Deposits of the Colfax and Forsthill Quadrangles, California Deb K Chandra - Paperback £14.95 Find out more
Gold Placers and Their Geologic Environment in Northwestern Park County, Colorado Quenten D Singewald - Paperback £10.95 Find out more