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1 Clean Watersheds Needs Survey
Ecology: CWNSУниверсальный русско-английский словарь > Clean Watersheds Needs Survey
См. также в других словарях:
CWNS — Clean Watersheds Needs Survey (Governmental » Environmental) … Abbreviations dictionary
Water supply and sanitation in the United States — is provided by towns and cities, public utilities that span several jurisdictions and rural cooperatives. About 15 million Americans are served by their own wells. Public water supply and sanitation systems are regulated by state level regulatory … Wikipedia