The University Libraries hosted a large collection of geospatial and attribute data links from 2001-2018. This resource was based Stephan Pollard's "Starting the Hunt" website, begun at CAST.
Our site has now been retired, but you can view the archived site at the Internet Archive: https://web.archive.org/web/20180425051725/https://libraries.uark.edu/gis/datalinks.asp