by Ontario

1916

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

1918

by Ontario. Department of Mines and Northern Affairs

1918

by Ontario. Dept. of Mines

1917

by Ontario. Royal Nickel Commission

1917

by Ontario. Legislative Assembly

1916

by Ontario. Royal Nickel Commission

1917

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

1890

by Ontario. Department of Lands and Forests

1912

by Ontario. Dept. of Lands and Forests

1917

by Ontario. Legislative Assembly

1919

by Ontario. Nickel Commission

1917