00872cam a22002531 4500 gs 59000350 DLC 20260227111408.0 831129r19541955snc 000 0 eng c gs 59000350 (OCoLC)10169191 U.S. Geol.Survey. CLSU OCoLC DLC premarc QE194 .A27 no. 6, 1955 553.63 Tomkins, R. V. Natural sodium sulphate in Saskatchewan. 2d ed. [Regina] Province of Saskatchewan Dept. of Mineral Resources, Industrial Minerals Research Branch, 1954 [i.e.1955] 71 p. illus., fold.map, diagrs., tables. 26 cm. Saskatchewan. Dept. of Mineral Resources. Report no. 6 Sodium sulfate. Saskatchewan. Department of Mineral Resources. Report no. 6. 29397 29397