U.S.P.R.R. Exp. & Surveys. 41st parallel. Expl. by Lieut. Beckwith. Vol.II. West end of Madelin Pass June 26th at 8 A.M. from a peak overlooking Madelin Creek
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Beinecke Rare Book and Manuscript Library > U.S.P.R.R. Exp. & Surveys. 41st parallel. Expl. by Lieut. Beckwith. Vol.II. West end of Madelin Pass June 26th at 8 A.M. from a peak overlooking Madelin Creek