The Role of Hydrography in The National Map

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Water is vital to our Nation and the U.S. Geological Survey plays an important role in the tracking and mapping our water resources. The National Hydrography Dataset component of The National Map supports this mission and is widely used in the study of hydrology, natural resources, and pollution control. Users of USGS geospatial data discuss the role of the National Hydrography Dataset in water rights management in California, fisheries management in Michigan, and drinking water threat analysis nationwide.


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Location Taken: Denver, CO, US