Preliminary report on geology of the phosphate deposits in the Centennial Range, Montana-Idaho

Abstract

Trace Elements Investigations Report 323 This preliminary report is distributed without editorial and technical review for conformity with official standards and nomen c la t ur e rt _ is__no t _f or _ pubreport concerns work done partly on behalf of the Division of Raw Materials of the Uo S. Atomic Energy Commission, and partly on behalf of the U. S, Bureau of Reclamation,,