The gold-seeker's handbook and practical assayist
The gold-seeker's handbook and practical assayist intended to be used in the detection of gold, silver, copper, and other metals found in the Dominion of Canada, United States, and British Columbia, so simplified as to be understood by any man of ordinary capacity
by Thomas Hughes
Publisher: Napanee Ont : S. Vivian, 1983, c1867.
ISBN: 0665152612