October 14, 1906; Originally #61 of a series of eighty seven photos; misspelling of the word "upon" in the original title; Photo by D.W.M. (may be initials of the Klamath Project engineer D.W. Murphy)
Original photograph: 17 x 12 cm, black & white photo, with "A" written in front in pencil, "136" in red ink, caption under photo reads "Lining upon out below tunnel. D.W.M. 10/14/06", from Brown Album, reorganized by Elaine Roggensees, 1987 Digital reproduction of photograph: Lining upen out below tunnel, Brown Album, Bureau of Reclamation
