W.O. "Bill" Nelson oral history interview as conducted by Jerry Grover and Bob Ruesink. Worked in the various offices anad filed offices of locations listed in transcript.
Sanford R. Wilbur oral history interview with Mark Madison. Note that this appears to be a write-up of the interview by Dr. Madison, as it is not structured like a traditional interview, and Mr. Wilbur is referred to in the third person.
Endangered species; Birds; Birds of prey; Captive breeding; Reintroduction; Raptors;
1976, (41 FR 187). Long recognized as a vanishing species (Cooper 1890, Koford 1953, Wilbur 1978), the California condor remains one ofthe world’s rarest and most imperiled vertebrate species. Despite intensive conservation...
