2.
USGS Global GIS [USGS_Global_GIS]
The Global GIS Tool is a modified version of ArcView GIS, ArcView
DataPublisher. ArcView DataPublisher is a free limited version of ArcView GIS
which will work only with the Global GIS datasets. ...
3.
Prairie to Mountain Explorer (PTME) Online [PTME_CD-ROM]
Prairie to Mountain Explorer (PTME) is a CD-ROM set of Geographic Information
Systems (GIS) data specifically designed for use in the classroom. GIS data
have been assembled for ID, MT, ND, SD, and ...