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- Canada. Department of Mines and Resources 2
- Canadian Pacific Railway 2
- United States. War Department 2
- Bell, Clive 1
- Birney, Earle 1
- Canada. Department of the Interior 1
- Davies, Joseph E. 1
- Grant, George Monro 1
- Grew, Joseph C. 1
- Harper, Frank 1
- Hope, Bob ; illustrated by Carl Rose. 1
- Horetsky, Charles 1