Search SEDIS

Data sets Publications Expeditions Thesaurus
NWIS-II  search
UFNational Water Information System-II
RTdata processing
 U. S. Geological Survey
 water resources
 hydrogeology
 information systems
 data bases
SNAcronym. U. S. Geological Survey data base which replaced NWIS and WATSTORE. Added to Thesaurus in 1995.