Horizon sketch from Tallac Peak, Cal. Occupied. Oct. 14, 1876 by Party No. 2, Cal. Section. Inst. No. 160. Wurdemann. Mountain Stations. Form 2. (Horizontal sketch.)
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Beinecke Rare Book and Manuscript Library > Horizon sketch from Tallac Peak, Cal. Occupied. Oct. 14, 1876 by Party No. 2, Cal. Section. Inst. No. 160. Wurdemann. Mountain Stations. Form 2. (Horizontal sketch.)
Map. "Scale 1 inch to 4 Degrees. Magnetic Azimuth: 0o 0'. 0""