Washington: Government Printing Office, 1870.
First Edition. Hardcover. Very good. 41st Congress, 2d Session, House of Representative Ex. Doc. No. 207. 805 pp. Index, many engraved illustrations, three folding plates. Original black cloth. Spine faded, binding sound, text clean, but with a sliight musty odor. Raymond (1840-1918) was an accomplished mining engineer who in 1868 was appointed United States Commissioner of Mines and Mining Statistics in and West of the Rocky Mountains. He explored much of the west in this capacity, and in this book reviewed the condition of the mining industry (with sections on California, Nevada, Oregon, Idaho, Montana, Wyoming, Colorado, and New Mexico, further broken down by county), as well as offering detailed discussion of mining law, mineral deposits, metallurgical processes, and mining apparatus (broken into sections on hydraulic mining, boring and excavating by machinery, transportation and ventilation, etc).