Stoping in BisbeeRoger Weller, geology instructor
wellerr@cochise.edu copyright 2008-R.Weller
Stoping in the Calumet
and Arizona Mines,
Bisbee, Arizona
by Philip D. Wilson, 1916
Trans. A.I.M.E.
19 pages (pages 118 to 136)
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This historic document describes the
mining practices used
in creating headframes for stoping in Bisbee in 1916.