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1889 Horizontal sketch from Tallac Peak, Cal. Exploration Book Horizontal sketch from Tallac Peak, Cal. … |
1889 Horizon sketch from Tallac Peak, Cal. Exploration Book Horizon sketch from Tallac Peak, Cal. Oc … |
1887 Plate LXXXV. Placerville Quadrangle, Lan … [Geologic Atlas, Geology Book] Plate LXXXV. Placerville Quadrangle, Lan … |