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 350
Paskapoo sandstone. Quarry of the Shelley Quarry Company, Cochrane, Alberta. 21,2- … tLl 233 the hardhead to a depth of about 9 inches. False bedding and a decidedreediness are more or less present throughout the formation and are morepronounced towards the bottom and at the northeast end of the excavation.The stone already removed probably contained much less hardhead thanis shown…
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.
