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- Harmon, Byron 35
- Burles, Gordon 27
- Alberta. Environment Conservation Authority 26
- Parks Canada 21
- Martel, Lynn 14
- Ward, Meghan J. 14
- Alberta. Laws, statutes, etc 13
- Audisio, Aldo 10
- Canada. National and Historic Parks Branch 10
- Ford, Theresa M., ed
- Canadian Pacific Railway 9
- Gordon, Charles William 9