National Geologic Map Database Map Catalog in Google Earth

USGS and the Portland State University Geology Department have developed a prototype that displays National Geologic Map Databse (NGMDB) Map Catalog search results in Google Earth. Please see this site at http://ngmdb.usgs.gov/ngmdb/ngm_catalog.ora.html
I think this is exciting news. After you test this site and want to provide comments on this prototype, just click on the comments link on that page to further improve this project(source: maps-l).