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 424
26 y. … 273 to tho D( voiiiaii system and are divided into three groups—a lower, Onondaga;a middle, IJaniillon; and an upper, Chemung. The geographical extent ofthese formations has ah-eady been indicated and need not be repeated here.The only consideral)le production of stone is from the lower, Onondaga…
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.
