Structural conditions in Canadian coal mines.

Norris, Donald Kring, 1924-

Structural conditions in Canadian coal mines. - Ottawa, E. Cloutier, Queen's printer, 1958. - 54 p. illus., maps, diagrs., table.

Part of illustrative matter folded in pocket.

Bibliograhy: p. 10-11.

gs 59000025


Coal mines and mining--Canada.

QE185 / .A43 no. 44

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