... 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 226
ave brow^n spotsthroughout but these largely disappear as the stone weathers. Great differ-ences in hardness and durability exist as may be seen by an inspection ofbuildings in Smiths Falls, Perth, Almonte, etc. A good example of theuse of both stones is seen in the residence of Mr. T. Code, in… … tf P3
Building stones
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