... 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 264
y. … 157 over the surface of comparatively flat country, where the Niagara cuesta isnot apparent as an abrupt elevation: this type is seen immediately noith ofLimehouse, second, a region in which the cuesta presents a vertical face of100 or more feet of Niagara limestone at the top, beneath which is a…
Building stones
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