National Map National Hydrography Dataset Viewer

Author: Federal
Media Type: Website
Water Monitoring Keywords: Mapping Tools
Watershed 101 Keywords: Watershed Geography
Water Resource Type: Streams / Rivers, Lakes / Reservoirs, Broadly Applicable
Resource Link: Click Here
Specific Agency Author: United States Geological Survey (USGS)

The National Map online mapping application is maintained by the USGS. It provides a viewer and download platform to visualize, identify, and download the National Hydrography Dataset, as well as other spatial data, such as elevation, land cover, and structures. Hydrography includes surface water features such as lakes, ponds, streams, rivers, canals, and ditches. Hydrography is important to many applications.