Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration at the Cline mine, Cabarrus County, N.C.
Blast-hole drilling with diamond drills at the Tennessee Copper Co. mines, Ducktown, Tenn.
Georgia Mica Spots: Cherokee, Upson, Lamar, and Monroe Counties
Investigation of the Andersonville bauxite district, Sumter, Macon, and Schley counties, Ga.
Investigation of the Springvale bauxite district, Randolph County, Ga.
Investigation of the K.T. Dome zinc-lead mine Owen and Henry Counties, Kentucky
Investigation of the Irwinton bauxite district, Wilkinson County, Ga.
Cost accounting and control at Calumet Division, Calumet & Hecla, Inc., Calumet, Mich.
Sand and gravel operations and costs, Construction Aggregates Corp., Ferrysburg, Mich.