00925cam a22002651 4500 gs 15000719 DLC 20260227111318.0 790620s1915 onca f000 0 eng gs 15000719 (OCoLC)5085678 DLC TxCM DLC premarc QE662 .W55 Williams, Merton Yarwood, 1883- The Ordovician rocks of Lake Timiskaming, by M. Y. Williams. Ottawa, Government printing bureau, 1915. 9 p. illus. Canada. Geological Survey. Museum bulletin no. 17. Geological series, no. 27 Cover-title. At head of title: Canada. Department of mines. Petrology Québec (Province) Lake Timiskaming. National Museum of Canada. Bulletin ; no. 17. National Museum of Canada. Geological series ; no. 27. 25571 25571