A portfolio of two related sets of riverbed mining views on the Feather River in Butte County, California. These views constitute C.E. Watkins' last known commercial commission and were taken in November, 1891.

28 mounted photographic prints : albumen ; mounts 57 x 73 cm., images 42 x 55 cm. or smaller, + 1 portfolio (containing 13 plans and blueprints) 11 digital objects (11 images)

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Restricted originals. Use viewing prints or digital facsimiles only. Shelved as BANC PIC 19xx.197--PIC : Use of originals only by permission of the appropriate curator. Inquiries concerning these materials should be directed, in writing, to the Head of Public Services, The Bancroft Library.