TY  - RPRT
TI  - California condor survey, 1971
AU  - W.D. Carrier
AU  - R.D. Mallette
AU  - S. Wilbur
AU  - J.C. Borneman
PY  - 1972
UR  - https://pubs.usgs.gov/publication/5224751
ID  - 5224751
ER  -