Niobium (columbium) deposits of Canada.

Rowe, Robert B.

Niobium (columbium) deposits of Canada. - Ottawa, E. Cloutier, Queen's printer, 1958. - vii, 108 p. illus., maps (part fold. col.) diagrs., tables.

Part of illustrative matter in pocket,

Bibliography: p. 99-103.

gs 59000027


Niobium.

QE185 / .A4 no. 18

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