 |
GRASS Help System |
DIGITAL DATA CROSS-REFERENCE
-------------------------------------------------------------------
CARTOGRAPHIC INFORMATION
-------------------------------------------------------------------
Major Category - Subdivision | References
-------------------------------------------------------------------
Elevation |
- terrestrial | DMA USGS NGDC
|
- marine (bathymetry) | NGDC
-------------------------------------------------------------------
Imagery |
- satellite |
> multispectral | SPOT EOSAT NGDC
> weather | NCDC NGDC
|
- airborne |
> multispectral | EPA
-------------------------------------------------------------------
Geomorphic |
- seismic | NGDC
|
- soils | SCS
|
- geology | NGDC
|
-------------------------------------------------------------------
Topological |
- landuse/landcover | USGS
|
- political/census boundaries | USGS USBC
|
- hydrologic units | USGS
|
- transportation | USGS
-------------------------------------------------------------------
GRASS Help
GRASS Documentation
GRASS WWW Home
Please use your browser buttons to navigate this documentation!
Automatically created on: Tue Mar 2 11:14:47 2004