Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration of the Cherokee iron deposits, Cherokee County, N.C.
Investigation of Round Mountain manganese properties, Bland County, Va.
Investigation of the Virgilina copper district, Virginia and North Carolina
Georgia Iron Deposits, Cherokee, Bartow, Floyd, and Polk Counties (In Two Parts): Part II
Investigation of the Shady Valley manganese district, Johnson County, Tenn.