00880cam a22002651 4500 gs 48000400 DLC 20260227111354.0 720303s1947 xx 000 0 eng gs 48000400 (OCoLC)254874 DLC OAkU TxU OCoLC DLC premarc QE185 .A43 no. 9 Wilson, Alice Evelyn, 1881- Trilobita of the Ottawa formation of the Ottawa-St. Lawrence lowland. Ottawa, E. Cloutier, King's Printer, 1947. v, 86 p. illus. Geological Survey bulletin (Geological Survey of Canada) no. 9 Trilobites. Paleontology Ontario. Paleontology Québec (Province) Paleontology Ordovician. Geological Survey bulletin (Geological Survey of Canada) ; 9. 28318 28318