... 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 364
little too high. Despiteits high transverse strength the stone appears to be very susceptible toshock). No. 152.—This sample is fighter in colour than No. 151; its appearanceis represented in Plate LXXV, No. 7. On weathering, the colour is identicalwith that of No. 151, but the spots are replaced… … o
Building stones
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