Milton Public Library
549.72
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549.72
Code
549.72
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Canadien fluor-apatite
Chemical contributions to the geology of Canada, on Canadian apatite, by Christian Hoffmann
Florida, South Carolina, and Canadian phosphates, giving a complete account of their occurrence, methods and cost of production, quantities raised and commercial importance, by C.C. Hoyer Millar
The phosphate mines of Canada, by H.B. Small
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