“…30, T. 8 S., R. 43 E., and on the outcrop just north of the point where Johnson Creek enters Slug Creek valley, trench 1209, in the SE% sec. 23, T. 8 S., R. 43 E. Brief rock descriptions and chemical analyses for PgOs and the acid insoluble of all samples; A1203, FejjOa, F, and loss on ignition for some samples; and semiquantitative spectrographic analyses for a large number of elements for some samples have already been published (McKelvey, Armstrong, Gulbrandsen, and Campbell, 1953).…”