Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Mayhew
1950
March 13
Cliff Swallow
3.
Poleline Bridge, 3 miles northeast of Davis, Yolo Co., Calif.
N →
□=1949
□=damaged
□=1950
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