National Map National Hydrography Dataset Viewer
Author: Federal
Media Type: Website
Water Monitoring Keywords: Mapping Tools
Water Resource Type: Broadly Applicable, Lakes / Reservoirs, Streams / Rivers
Resource Link: https://apps.nationalmap.gov/viewer/
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.