Horizontal sketch from Tallac Peak, Cal. Occupied. Oct. 14, 1876 by Party No. 2, Cal. Section. Inst. No. 160. Wurdemann. Mountain Stations. Form 1. (Horizontal sketch)1873-1884Map. "Scale 1 inch to 1 mile (Approx.). Magnetic Azimuth: 0o 0' 0""cartographic