Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the Department of Interior publication "The Ajo Mining District of Arizona." This important publication on Arizona Mining has not been available for nearly seventy years. This volume contains rare insights into the geology and mineralization of the Ajo Mining District in Pima County, Arizona and in particular the famous New Cornelia Mine. 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...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the California Bureau of Mines publication "The Mines and Mineral Resources of Trinity County." Originally published in 1965, this important publication on California Mining has not been available for nearly fifty years. This publication includes important information on mines and mining in Trinity County, California, as well insights into the mineralization and geology of this important mining area in Northern California. Included are extensive details on hardrock and placer gold mines and...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the California Bureau of Mines publication "The Mines and Mineral Resources of Kern County." Originally published in 1962, this important publication on California Mining has not been available for nearly fifty years. This publication includes important information on mines and mining in Kern County, California, as well insights into the mineralization and geology of this important mining area in California. Included are extensive details on hardrock and placer gold mines and prospects,...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the California Bureau of Mines publication "The Mines and Mineral Resources of Calaveras County." Originally published in 1962, this important publication on California Mining has not been available for nearly fifty years. This publication includes important information on mines and mining in Calaveras County, California, as well insights into the mineralization and geology of this important mining area in Northern California. Included are extensive details on hardrock and placer gold mines and...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of "Geology and Mineral Resources of the Laramie Basin of Wyoming. Unavailable since 1909, this publication was originally compiled by the United States Department of Interior. Also included are insights into the mineralization and other characteristics of this important mining region, especially in regards to coal, limestone, gypsum, bentonite clay, cement, sand, clay and copper. Note: This edition is a perfect facsimile of the original edition and is not set in a modern typeface. As such, some...

Mining historian Kerby Jackson introduces us to a classic mining work in this important re-issue of the California State Mining Bureau publication "Methods of Mine Timbering." Originally published in 1896, this important publication on mining engineering has not been available for nearly a century. Included are rare insights into historical methods of timbering structural support that were used in underground metal mines during the California that still have a practical application for the small scale hardrock miner of today. Note: This edition is a perfect facsimile of the original edition...