... Report on the building and ornamental stones of Canada, vol. I-V (1912)
Parks, W. A. (William Arthur), 1868-1936, Canada. Mines Branch · Ottawa : Government printing bureau · leaf 554
349 APPENDIX I. TABLE I. The Specific Gravity, Weight Per Cubic Foot, Percentage of Pore Space,and Ratio of Absorption of Ontario Building Stones. LIMESTONES.
Building stones
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