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- Instituto Geográfico e Cadastral12
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- Ejército Argentino, Instituto Geográfico Militar4
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- A.J. Nystrom2
- Comité d'histoire de la IIème guerre mondiale2
- Dept. of the Interior, U.S. Geological Survey2
- Geological Survey of Canada, Dept. of Mines and Technical Surveys2
- The Branch2
- A.A.P.G. Western Canada Regional Meeting : A.S.P.G. Tenth Annual Field Conference1
- Afrikaanse Pers1
- Alberta Society of Petroleum Geologists1
