by Canada. Department of the Interior. Natural Resources Intelligence Branch

1924

by Canada. Parliament. House of Commons

1921

by Canada. Natural Resources Intelligence Branch, Canada. Natural Resources Intelligence Service

1928

by Canada. Dept. of Trade and Commerce

1930

by Canada. Department of Mines

1929

by Canada. Department of Trade and Commerce

1922

by Geological Survey of Canada

1930

by Geological Survey of Canada

1930

by Canada. Mines Branch

1930

by Canada. Dominion Bureau of Statistics

1927

by Engineering Institute of Canada

1923

by Geographic Board of Canada

1928