The coal-fields and coal industry of eastern Canada, a general survey and description,
Gray, Francis W.
The coal-fields and coal industry of eastern Canada, a general survey and description, by Francis W. Gray. - Ottawa, Government printing bureau, 1917. - 4 p.l., 67 p. XXVI pl. (part fold.) map (in pocket) 25 cm. - Canada. Dept. of mines. Mines branch. Bulletin no. 14 .
Bibliography: p. 55-60.
gs 17000334
Coal mines and mining--Canada.
TN26 / .A35 no. 14
The coal-fields and coal industry of eastern Canada, a general survey and description, by Francis W. Gray. - Ottawa, Government printing bureau, 1917. - 4 p.l., 67 p. XXVI pl. (part fold.) map (in pocket) 25 cm. - Canada. Dept. of mines. Mines branch. Bulletin no. 14 .
Bibliography: p. 55-60.
gs 17000334
Coal mines and mining--Canada.
TN26 / .A35 no. 14