All datasets included on the CD have metadata in .txt and .html format 
under the "Metadata" folder.  The following shapefiles are included:

srb - Susquehanna River Basin Boundary
subbasin - Subbasins of the Susquehanna River Basin
sub_chem - Chemung Subbasin boundary
sub_juni - Juniata Subbasin boundary 
sub_lowr - Lower Susquehanna Subbasin boundary
sub_midd - Middle Susquehanna Subbasin boundary
sub_uppr - Upper Susquehanna Subbasin boundary
sub_west - West Branch Susquehanna Subbasin boundary
wshed24k - Watersheds at approximately 1:24,000 scale for the Basin
wshedmjr - Major Watersheds of the Basin
ecoregions - Ecoregions of the Basin
physio - Physiographic sections of the Basin
statsgo - STATSGO soils of the Basin
bedrock - Bedrock geology of the Basin
WtrTrails - Water trails in the Basin
fish_cnsmp - Streams with a fish consumption advisory in the Basin
precip - 30-Year precipitation for the Basin
precip_iso - Isolines based on precip.shp