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1.
Saline and hydromagnesite deposits of British Columbia, by J.M. Cummings. by Series: Bulletin (British Columbia. Department of Mines) ; no. 4.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Victoria, B.C., C.F. Banfield, Printer to the King, 1940
Availability: No items available.

2.
Preliminary investigation into possibilities for producing silica sand from British Columbia sand deposits, by J.M. Cummings ... by
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Victoria, B.C., C.F. Banfield, printer to the King, 1941
Availability: No items available.

3.
Clay and shale deposits of British Columbia, by J.M. Cummings and J.W. McCammon. by Series: Bulletin (British Columbia. Department of Mines) ; no. 30.
Material type: Text Text; Format: print ; Literary form: Not fiction
Publication details: Victoria, Printed by D. McDiarmid, Printer to the Queen, 1952
Availability: No items available.

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