Data Resources

Local Data Resources (available to Williams users only)

ESRI Data - on the network \\Athena\ESRIDATA

National Geographic Topo™ data for New England, NY, Colorado \\Athena\STATEDATA

Data Sources on the Web

MASS GIS Site

The Geography Network

The National Geospatial Data Clearinghouse

USGS EROS Site

USGS Earth Explorer (Landsat) Site