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- Alberta. Environment Conservation Authority 28
- Burles, Gordon 24
- Parks Canada 23
- Smythe, Francis Sydney 21
- Alberta. Laws, statutes, etc 19
- Sandford, Robert W 14
- Birney, Earle 12
- Putnam, William Lowell 12
- Ford, Theresa M., ed 11
- Metropolitan Museum of Art (New York) 11
- Russell, Andy 11
- Scott, Chic 11