Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
March 1947
San Pablo marsh
April XII
5:50-6:30
AM
sun just up)
Clear, calm
tide out
Rails all calling
April 19
Rail
alarm
last pair
tsip
alarm
?? same ??
31.
N
< 20
30 yds wide