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- Interior-Geological Survey170
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- The Office4
- Geological Survey3
- The Survey3
- Geological Society of America2
- publisher not identified2
- Boise Cascade Properties1
- Dept. of Earth Sciences, Montana State College1
- Directorate of Overseas Surveys for the Director of National Mapping, Malaysia,Directorate of National Mapping,Ordnance Survey1
- Forest Service, Southern Region1
- Istituto di Geologia dell'Università di Ferrara1
- Key Allegro Real Estate Company1
- Manitoba Dept. of Mines and Natural Resources, Mines Branch1
- Ministére des richesses naturales1
- National Geographic Society1
- Nauvoo Restoration, Inc1
- Ontario Dept. of Lands and Forests1
- Province of Newfounder and Labrador, Department of Mines, Agriculture and Resources, Mineral Resources Division1
