User:Polarbear/USA

USGS/GNIS/National Map

Good for, among other things, waterways. All data is public domain (license).

• https://edits.nationalmap.gov/apps/gaz-domestic/public/search/names
• https://apps.nationalmap.gov/viewer/
• National Inventory of Dams - Rockwall County
• https://waterdata.usgs.gov/nwis/

U.S. Census block maps

• 2020