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Personnel from the U.S. Geological Survey install sediment fences near Sheep Butte to study the effects of land use on sediment loads in the Little Missouri National Grasslands in North Dakota. |
U.S. Department of the Interior ||
U.S. Geological Survey Maintainer: Webmaster Last update: Monday, 30-Aug-2004 12:09:25 EDT Privacy || Disclaimer|| Accessibility || FOIA URL: http://nd.water.usgs.gov/index/employee1.html Menlo Park, CA |