Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of Gallinas fluorspar deposits, Lincoln County, N. Mex.
Exploration of the White Eagle Fluorspar Mine, Cooks Peak mining district, Grant County, N. Mex.
Jones iron deposit, Socorro County, New Mexico
Drilling and sampling with a wagon drill
Capitan iron deposits, Lincoln County, N. Mex.
Peerless lead-zinc mine, Grant County, N. Mex.
Rusk iron deposits, Cherokee County, Tex.
Silver Spot manganese-iron-zinc deposits, Grant County, N. Mex.
West Pinos Altos zinc-lead deposits, Grant County, New Mexico
Investigation of Virgin River manganese deposit, Clark County, Nev.
Investigation of the Great Eastern nickel deposit, Clark County, Nev.
Investigation of the Royal John lead-zinc deposits, Grant County, N. Mex.
Diamond drilling at Torpedo copper mine, Organ mining district, Dona Ana county, N. Mexico
Mining methods and costs, Schwartzwalder Uranium Mine, Jefferson County, Colo.
Measurements of surface subsidence, San Manuel Mine, Pinal County, Arizona