MD-DE-DC Water Science Center
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Slide 1 of 26
U.S. Geological Survey stream gages provide hydrologic information needed to define, use and manage the Nation's water resources. The following presentation describes methods used to collect data at USGS gaging stations. These methods, along with the underlying philosophy of the stream-gaging program, have allowed the USGS to collect relevant streamflow data for the last 100 years.