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Subjects
Water quality, Abandoned mines, Environmental aspects of Abandoned mines, Environmental aspects of Windfall (Forestry), Grand Valley Project (U.S.), Pollution, Salinity, Selenium, Stream measurements, Trace elements in water, Water, Windfall (Forestry)Places
Colorado, Animas River Watershed (Colo. and N.M.), Colorado River (Colo.-Mexico), Mount Zirkel Wilderness, Routt National ForestID Numbers
- OLID: OL1531215A
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| September 3, 2008 | Edited by RenameBot | fix author name |
| April 1, 2008 | Created by an anonymous user | initial import |