01169cam a22003011 4500 gs 42000040 DLC 20260227111347.0 840912s1941 bccb b f000 0 eng c gs 42000040 (OCoLC)11145524 U.S. Geol. Survey. Library OrCS OrCS DLC premarc TN939 .C8 666 British Columbia. Department of Mines. Preliminary investigation into possibilities for producing silica sand from British Columbia sand deposits, by J.M. Cummings ... Victoria, B.C., C.F. Banfield, printer to the King, 1941. 3 p. l., 50 numb. l., 3 l. fold, map. 27 x 21 cm. Cover-title. At head of title: British Columbia. Dept. of Mines. Hon. W.J. Asselstine, minister. John F. Walker, deputy minister. Reproduced from type-written copy. "References": 3 leaves at end. Sand. Mines and mineral resources British Columbia. Cummings, John Moss, 1910- Silca sand from British Columbia sand deposits. 27766 27766