Reference | {Deposit:: CALKINS, F. C., 1909, A GEOLOGICAL RECONNAISSANCE OF NORTHERN IDAHO AND NORTHWESTERN MONTANA: U.S. GEOLOGICAL SURVEY BULL. 384, 112 P.}{Deposit:: MAC DONALD, D. F., 1906, ECONOMIC FEATURES OF NORTHERN IDAHO AND NORTHWESTERN MONTANA: U.S. GEOLOGICAL SURVEY BULL. 285, P. 41 - 52.} |