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- United States. National Ocean Service294
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- United States. Forest Service. Rocky Mountain Region5
- U.S. Fish and Wildlife Service. Division of Realty3
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- Canadian Hydrographic Service2
- National Wetlands Inventory (U.S.)2
- United States. Forest Service. Alaska Region2
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- United States. Forest Service. Southern Region2
- Burrus, R. F.1
- Canada. Natural Resources Intelligence Service1
- Southern Forest Experiment Station (New Orleans, La.)1
