by Ontario. Legislative Assembly

1927

by Ontario. Legislative Assembly

1906

by Ontario. Department of Mines and Northern Affairs

1916

by Ontario. Dept. of Mines

1901

by Ontario. Department of Mines

1919

by Ontario

1916

by Ontario. Bureau of Mines

1915

by Ontario. Bureau of Mines

1916

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

1906

by Ontario. Bureau of Mines

1921

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

1916

by Ontario. Department of Mines

1921