Mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by C.G. Guthrie. First published in 1912, it has been unavailable for over a century and sheds important light on how to examine and evaluate hardrock mines, prospects and lode mining claims. Sections include Mining Examinations, Structural Geology, Structural Features of Ore Deposits, Primary Ores and their Distribution, Types of Primary Ore Deposits, Primary Ore Shoots, The Primary Alteration of Wall Rocks, Alterations by Surface Agencies, Residual Ores and...

Mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by C.H. Aaron. First published in 1881, it has been unavailable for over a century and sheds important light on the leaching of gold and silver ores with the Plattner and Kiss processes. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.

Mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by H.O. Hofman. First published in 1896, it has been unavailable for over a century and sheds important light on the the recovery of silver from lead based ores. Some of the topics include the properties of lead and some of its compounds, lead ores such as galenite, anglesite, cerussite and others, the distribution of lead ores throughout the United States and the sampling and assaying of lead ores. Also covered is the metallurgical treatment of lead ores, as...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the Department of Interior publication "Geology of the Castle Mountain Mining District of Montana." This important publication on Montana Mining has not been available for over a century. Included are rare insights into the mining geology of the Castle Mountain Mining District. Some of the topics include the early history of gold, silver and copper mining in the area, insight into the geology of its mining areas, the local distribution of gold, silver and copper ores, as well their composition...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "The Quartz Veins of the Allegheny Mining District California." Unavailable since 1932, this important publication was originally published by the Us Department of Interior and has been unavailable for 80 years. Topics include the geology, rock formations and the formation of ore deposits in this important mining area of Sierra County, California. Also included are hard to find details on the geology, history and locations of dozens of mines on Oregon Creek, Kanaka Creek and The Middle Fork of...

Leading mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "The History and Development of Gold Dredging in Montana." Unavailable since 1916, this important publication was originally published by the Us Bureau of Mines and has been unavailable for a century. A century and more ago, giant dredging machines dug in Montana's rivers and creeks in search of illusive golden riches. First appearing in California in the 1850's, gold dredges finally reached their peak of development in Siberia and New Zealand before becoming popular again in the United...

Leading mining historian Kerby Jackson introduces us to a classic mining publication on the evaluation and examination of mines and prospects by the US Department of Interior. First published in 1923, it has been unavailable for over a century and sheds important light on the mining history of Shoshone County, Idaho. Some of the topics include the history of mining in Shoshone County, a look at the local geology and ore characteristics of lead-silver deposits, zinc deposits, copper, antimony, gold and other minerals. Also included are insights into the history, production, characteristics and...

Leading mining historian Kerby Jackson introduces us to a classic mining publication on the Pioche Mining District of Nevada Department of Interior. First published in 1932, it has been unavailable for over a century and sheds important light on the mining history of Nevada. Some of the topics include the history of mining in this district, as well as the characteristics of its mineral and ore deposits. Also included are insights into the history, production, characteristics and locations of numerous mines in the area. Some of the mines include the Combined Metals, Pioche, Ely Valley, No. 10,...

Leading mining historian Kerby Jackson introduces us to a classic mining publication on the Pioche Mining District of Nevada Department of Interior. First published in 1932, it has been unavailable for over a century and sheds important light on the mining history of Nevada. Some of the topics include the history of mining in this district, as well as the characteristics of its mineral and ore deposits. Also included are insights into the history, production, characteristics and locations of numerous mines in the area. Some of the mines include the Bluestone, Mason Valley, Malachite,...

Leading mining historian Kerby Jackson introduces us to a classic mining publication on the Gasquet Quadrangle of California and Oregon. First published in 1953, it has been unavailable for over a century and sheds important light on the geological features and mineral resources of this portion of Northern California and Southern Oregon. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some type characters and images might suffer from slight imperfections or minor shadows in the page background.