Leading mining historian Kerby Jackson introduces us to a classic mining publication on the Geology of the San Manuel Copper Deposit of Arizona. Written in 1951, this hard to find publication includes valuable facts about this important copper mining area in Pinal County, Arizona. 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.