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- Alberta. Environment Conservation Authority 26
- Burles, Gordon 24
- Parks Canada 24
- Alberta. Laws, statutes, etc 18
- Canada. National and Historic Parks Branch 15
- Sandford, Robert W 12
- Birney, Earle 11
- Canada. Department of Indian Affairs and Northern Development 11
- Russell, Andy 11
- Water Survey of Canada 11
- Baird, David M 10
- Ford, Theresa M., ed 10