by Ontario. Royal Commission on the Mineral Resources and Measures for their Development

1890

by Ontario. Department of Mines

1928

by Ontario. Bureau of Mines

1921

by Ontario. Department of Mines

1928

by Ontario. Bureau of Mines

1928

by Ontario. Bureau of Mines

1921

by Ontario. Department of Mines and Northern Affairs

1921

by Ontario. Legislative Assembly

1891

by Ontario. Department of Crown Lands

1893

by Ontario. Dept. of Mines

1921

by Ontario. Department of Mines, Ontario. Bureau of Mines

1921

by Ontario. Legislative Assembly

1888