Field journal, v4159
Page 688
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
(Castor canadensis fundator) work are numerous all along the portion of the Mancos traversed by our party. Beaver cut trees range all the way from very old stumps, almost obliterate to last years workings. They are not numerous as one progresses up the canyon.