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United States. Bureau of Land Management
87
United States. Bureau of Land Management. Colorado State Office
67
Geological Survey (U.S.)
56
National Operations Center (U.S.)
32
National Science and Technology Center (U.S.)
2
United States. Forest Service. Rocky Mountain Region
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2
United States. National Park Service
1
Burns, Alan W.
1
Southeastern Colorado Water Conservancy District (Colo.)
1
United States. Bureau of Land Management. Utah State Office
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