Report on the building and ornamental stones of Canada (1912)
Parks, William A, Canada. Mines Branch · Ottawa : Dept. of Mines · leaf 208
Drilling factor, mm 2.8 The dry crushing strength is evidenth too low and is to be explainedby the fact that the test cube yielded on the side before the final collapse.It will be observed that the stone is of higher crushing strength and alsoof considerably higher shearing and transverse strength… … Ottawa countygranite. Brodies quarry, near Campeau, Que. Plate XXI. i^?lM MI
Building stones
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