Oregon mining historian Kerby Jackson introduces us to a classic work on Oregon's mining history in this important re-issue of Bulletin 49, otherwise known as "The Lode Mines of the Central Part of the Granite Mining District, Grant County, Oregon." Unavailable since the 1950's, this important publication was originally compiled by the Oregon Department of Geology and Mineral Industries and includes important details on the economic geology and mineral resources of this important mining area in North Eastern Oregon. Included are notes on the history, geology and development of important mines...