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Publisher
- U.S. Geological Survey,4
- Geological Survey (U.S.)3
- [U.S. Geological Survey],2
- Geological Survey ;1
- New Hampshire State Planning and Development Commission and State Highway Department,1
- New Hampshire State Planning and Development Commission,1
- The Survey :1
- U. S. Geological Survey,1
- [New Hampshire Department of Environmental Services],1
- [publisher not identified],1