The Endangered Species Act at twenty: An analytical survey of federal endangered species protection Author Smith A.A., Moote M.A., Schwalbe C.R. Journal/Series Natural Resources Journal | Vol. 33(4); 1027- 1075; 49 p. Date 1993 Source IUCN (ID: ANA-055569) Publisher | Place of publication University of New Mexico School of Law | Albuquerque, NM, USA Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Wild fauna Protected animal species Protected plant species Wild flora Management/conservation