Search U.S. government technical reports digitized or harvested by TRAIL.
Exploration for fluorite, Crittendon and Livingston Counties, Ky.
Alexander-Barber Sillimanite properties :Spartanburg County, S.C. / by R.C. Hickman.
Pyrites, mineral, Louisa County, Va.
Virginia marl deposits, New Kent County, Va.
Bush-Hutchins ilmenite, Roanoke County, Va.
G.S. Stiner zinc prospect, Union County, Tenn.
Cline copper and tungsten mine Cabarrus County, N.C.
Howard Lynch zinc prospect, Claiborne County, Tenn.
Stalion-Curnel fluorspar prospect, Crittenden County, Ky.
D. W. Harris (O'Dell) zinc prospect, Claiborne County, Tenn.