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| Geospatial Data
| GIS
| GPS
| Remote Sensing
| Soils
| Other
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Geospatial Data
Bruce Gittings' Digital Elevation Data Catalogue
Land Info Worldwide Digital Maps Vendor
Topo Depot 7.5' vector topographic quadrangles Vendor
UNEP/GRID - Sioux Falls Global Resource Information Database Extensive collection of worldwide DEMs
USGS links Collection of links to US Geological Survey resources
Geographic Information Systems
Corpscon Coordinate conversion software from US Army Corps of Engineers
ESRI (Vendor of Arc/Info) Free copy of ArcExplorer available here!
GeoWeb Resources for GIS, GPS, and Remote Sensing Industries
Manifold GIS System High-performance, low-cost GIS, gigabytes of free maps
Global Positioning System
GPS2CAD Free on-line coordinate conversion between datums and grids!
JPL International GPS Service NASA
Remote Sensing
American Society for Photogrammetry and Remote Sensing The Imaging and Geospatial Information Society
Analytical Spectral Devices, Inc. Vendor of field portable spectroradiometers
Earth Satellite Corporation
ImageNet(sm) Welcome Page
NASA's Johnson Space Center (JSC) Digital Image Collection
PCI Geomatics Collection of software, including freeware
Canada Centre for Remote Sensing
Space Science and Engineering Center (SSEC) Real Time Data Real time satellite images
Summer Institute: Remote Sensing Michigan Tech University
UCSB Institute for Computational Earth System Science (ICESS)
Soils
USDA-Natural Resources Conservation Service Soils & Soil Survey
Other Spatial Data
Go-Geo! Resource discovery tool for UK spatial data
Pennsylvania Spatial Data Access Integrated collection of GIS-based PA data and maps
Color Landform Atlas of the United States Fermi Lab
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