USGS MapView: Browse every published geologic map of the United States. OneGeology Portal: Geological maps from geological surveys around the world in one viewer.
| USGS MapView | OneGeology Portal | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Geology, Terrain & Ocean Floor |
| Coverage | United States | Worldwide |
| Updates | Periodically | Periodically |
| Data source | USGS National Geologic Map Database | National geological surveys |
| Made by | US Geological Survey | OneGeology consortium |
| Price | Free | Free |
| Account | No account needed | No account needed |
| On phones | Best on a computer | Best on a computer |
| Map view | Flat map | Flat map |
| Visits from ColorfulMaps | 0 | 0 |
| Open map | Open map |
What you can do with USGS MapView
- Thousands of US geologic maps
- Search by location
- View and download maps
What you can do with OneGeology Portal
- Official geology from many countries
- Layer services from national surveys
- Search by country
Summary based on public information. Check each map's website for current features and prices.