Pierce City District

DAY, D.T., AND RICHARDS, R.H., 1906, USEFUL MINERALS IN THE BLACK SANDS OF THE PACIFIC SLOPE: U.S. GEOLOGICAL SURVEY MINERAL RESOURCES OF THE UNITED STATES, CALENDAR YEAR 1905, P. 1199-1200.ROSS, C.P., 1941, THE METAL AND COAL MINING DISTRICTS OF IDAHO, WITH NOTES ON THE NONMETALLIC MINERAL RESOURCES OF THE STATE: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 57, P. 37STALEY, W.W., 1946, GOLD IN IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 68, FIG. 16.ANDERSON, A.L., 1930, THE GEOLOGY AND MINERAL RESOURCES OF THE REGION ABOUT OROFINO, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 34, P. 37.SHANNON, E.V., 1922, MINERALOGY OF SOME BLACK SANDS FROM IDAHO, WITH A DESCRIPTION OF THE METHODS USED FOR THEIR STUDY: PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM, V. 60, ART. 3, 33 P.SAVAGE, C.N., 1961A, ECONOMIC GEOLOGY OF CENTRAL IDAHO BLACKSAND PLACERS: ID. BUREAU OF MINES AND GEOL. BULL. 17, P. 141-148