North Dakota Water Science Center
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A U.S. Geological Survey hydrologic technician measures ground-water levels in a well in McHenry County, North Dakota. The U.S. Geological Survey publishes ground-water level data for McHenry County and other North Dakota counties in annual Water Data Reports (see Volume 2, Ground Water). |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://nd.water.usgs.gov/photos/work/employee6.html
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Page Last Modified: Tuesday, 09-Oct-2007 13:01:20 EDT
