TY  - RPRT
TI  - Distribution and numbers of the California condor, 1966-1971
AU  - S.R. Wilbur
AU  - W.D. Carrier
AU  - J.C. Borneman
AU  - R.D. Mallette
PY  - 1972
UR  - https://pubs.usgs.gov/publication/5224748
ID  - 5224748
ER  -