Free GIS data downloads from the WeoGeo Market
Loads of Census dta and tables by county
All boundaries are UTM NAD83, the Metadata is in html format. The .E00 files are in standard USFWS data exchange format
NPS Alaska GIS Data Clearinghouse
This prototype Alaska Geospatial Data Clearinghouse is being developed and maintained at the USGS EROS Alaska Field Office. FTP and http data access available.