Search U.S. government technical reports digitized or harvested by TRAIL.
Winchester zinc deposit, Newton County, Mo.
Pearl lead-zinc deposits, Jasper County, Mo.
Investigation of the Krueger zinc deposit, Washington County, Mo.
Mon-Ark zinc-lead mines, Christian County, Mo.
Churn drilling at Mary Arnold zinc-lead mines, Christian County, Mo.
Investigation of Rex zinc mine, Howell County, Mo.
Filled-sink iron deposits in Crawford, Dent, Franklin, and Texas counties, Mo.
Development of a successful multiple percussion drill carriage