Clay and shale deposits of British Columbia,
Cummings, John Moss, 1910-
Clay and shale deposits of British Columbia, by J.M. Cummings and J.W. McCammon. - Victoria, Printed by D. McDiarmid, Printer to the Queen, 1952. - 64 p. illus., maps (part fold.) 26 cm. - Bulletin, no. 30 . - Bulletin (British Columbia. Department of Mines) ; no. 30. .
At head of title: British Columbia Department of Mines.
Bibliography: p. 45.
gs 52000248
Clay--British Columbia.
Shale--British Columbia.
TN27 / .B72 no. 30
553.61
Clay and shale deposits of British Columbia, by J.M. Cummings and J.W. McCammon. - Victoria, Printed by D. McDiarmid, Printer to the Queen, 1952. - 64 p. illus., maps (part fold.) 26 cm. - Bulletin, no. 30 . - Bulletin (British Columbia. Department of Mines) ; no. 30. .
At head of title: British Columbia Department of Mines.
Bibliography: p. 45.
gs 52000248
Clay--British Columbia.
Shale--British Columbia.
TN27 / .B72 no. 30
553.61