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North Dakota Water Science Center

USGS employee taking a well measurement

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. Geological Survey at Work Images

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