Trilobita of the Ottawa formation of the Ottawa-St. Lawrence lowland
Series: Geological Survey bulletin (Geological Survey of Canada); no. 9; Geological Survey bulletin (Geological Survey of Canada) ;; 9.
Publisher: E. Cloutier, King's Printer
Published: 1947
Place of publication: Ottawa
Language: eng
Number of pages: 86
Subjects: Trilobites.; Paleontology -- Ontario.; Paleontology -- Québec (Province); Paleontology -- Ordovician.