OpenTopography: High-resolution lidar and elevation data, searchable on a map. Web Soil Survey: Official US soil maps and reports for any area.
| OpenTopography | Web Soil Survey | |
|---|---|---|
| Category | Geology, Terrain & Ocean Floor | Geology, Terrain & Ocean Floor |
| Coverage | Worldwide | United States |
| Updates | Periodically | Periodically |
| Data source | Lidar surveys and global DEMs | NRCS soil surveys |
| Made by | San Diego Supercomputer Center and partners | USDA Natural Resources Conservation Service |
| Price | Free | Free |
| Account | Free to view, account for extras | 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 OpenTopography
- Lidar datasets on a map
- Global elevation models
- Online processing
What you can do with Web Soil Survey
- Soil maps for most of the US
- Suitability reports
- Download data
Summary based on public information. Check each map's website for current features and prices.