Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of the Blue Metal corundum property, Douglas County, Nev.
Gibellini manganese-zinc-nickel deposits :Eureka County, Nev.
Blue Metal corundum-andalusite deposit, Douglas County, Nev. :supplemental investigation
Conveyor systems in underground iron-ore mines, Lake Superior district
Investigation of the Tem Piute Tungsten Deposit, Lincoln County, Nevada