Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
Cogswell
1950
Aquila chrysaetos
July 11 E. of Boca Res., 5600 ft., Nevada Co., Calif. - 1 sailed low over dead pines of a 1+ year old burned-over slope in arid Jeffrey pine forest.
Aug. 26 "Sugar Bowl", 7100 ft., 1.4 mi. SSW Donner Pass, Placer Co., Calif. - 1 immature-plumaged individual soared over red fir-lodgepole pine-silver pine forest v cleared ski slopes, finally disappearing on over rocky ridge of divide between that N. drainage & S. slope of Am. River drainage.
[The above 2 being only ones noted by me during the summer indicates possible lower numbers than in summer of 1948, when I saw several at frequent intervals throught a similar period in this same region].