00976cam a22002891 4500 gs 53000268 DLC 20260227111400.0 720306s1952 xx 000 0 eng gs 53000268 (OCoLC)255953 DLC OAkU TxU DLC premarc QE185 .A43 no. 23 Rowe, Robert B. Petrology of the Richardson radioactive deposit, Wilberforce, Ontario. Ottawa, E. Cloutier, Queen's Printer, 1952. v, 22 p. illus., 2 fold. col. plates in pocket, maps. Bulletin (Geological Survey of Canada) 23 At head of title: Canada. Dept. of Mines and Technical Surveys. "References": p. 22. Uraninite. Petrology Ontario Wilberforce region. Crystalline rocks. Metamorphic rocks. Bulletin (Geological Survey of Canada) ; 23. 28785 28785