Rare-element minerals of Canada,
Ellsworth, Hardy Vincent, 1889-
Rare-element minerals of Canada, by H. V. Ellsworth ... - Ottawa, F. A. Acland, printer to the king, 1932. - v, 272 p. incl. maps, tables, diagrs. 25 cm. - Canada. Geological survey. Economic geology ser. no. 11 .
At head of title: Canada. Department of mines.
Bibliographical footnotes.
gs 33000023
Mines and mineral resources--Canada.
QE185 / .A4 no. 11
Rare-element minerals of Canada, by H. V. Ellsworth ... - Ottawa, F. A. Acland, printer to the king, 1932. - v, 272 p. incl. maps, tables, diagrs. 25 cm. - Canada. Geological survey. Economic geology ser. no. 11 .
At head of title: Canada. Department of mines.
Bibliographical footnotes.
gs 33000023
Mines and mineral resources--Canada.
QE185 / .A4 no. 11