Report on the building and ornamental stones of Canada (1912)
Parks, William A. (William Arthur), 1868-1936, Canada. Mines Branch (1901-1936) · Ottawa : Dept. of Mines, Mines Branch · leaf 348
t they are far enough apart to permit the quarry-ing of stone of any practical length. The upper of the three heavy beds isthe softest and most uniform but it is not devoid of the unfortunate hard-head (1299). The middle bed contains still more hardhead and presentsmuch false bedding and irregular,… … Paskapoo sandstone. Quarry of the Shelley Quarry Company, Cochrane, Alberta. 21,2-
Building stones · Geology, Economic · Stone industry and trade
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.