Groundwater ecosystems and the service of water purification Author Herman J., Culver D., Salzman J. Journal/Series Stanford Environmental Law Journal | Vol. 20(2); 479 - 495; 17 p. Date 2001 Source IUCN (ID: ANA-067339) Publisher | Place of publication Stanford University School of Law | Stanford, CA, USA Document type Article in periodical Language English Country/Territory United States of America Subject Water Keyword Groundwater Freshwater resources management Ecosystem preservation