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- Kathleen Frances Daly Pepper (1898 – 1994, Canadian) 20
- Gadd, Ben 15
- Alberta. Environment Conservation Authority 2
- Alberta. Laws, statutes, etc 2
- Canada. Department of the Interior 2
- Clarke, A.H 2
- Douglas, R.J.W. 2
- Engler, Bruno 2
- Everts, Christine 2
- Rice, George S 2
- Abraham, Amenti 1
- Alberta Society of Petroleum Geologists 1