00946cam a22002651 4500 gs 40000281 DLC 20260227111346.0 850529s1940 bccab b s000 0 eng c gs 40000281 (OCoLC)12091527 U.S. Geol. Survey WaChenE WaChenE DLC premarc n-cn-bc TN27 .B72 no. 4 Cummings, John Moss, 1910- Saline and hydromagnesite deposits of British Columbia, by J.M. Cummings. Victoria, B.C., C.F. Banfield, Printer to the King, 1940. iv, 160 p., [3] leaves of plates illus., maps. 27 cm. Brititsh Columbia. Dept. of Mines. Bulletin no. 4 "References": p. 157-160. Salt mines and mining British Columbia. Magnesite British Columbia. Bulletin (British Columbia. Department of Mines) ; no. 4. 27660 27660