Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean (1855)
United States. War Department, author · Washington [D.C.] : A.O.P. Nicholson, printer · leaf 360
s constitute a sub-genus. The red , oblique-based resinless cones of our trees seem clearly to distinguish it. The wood of P.Jlexilis is white and soft, and not highly charged with resin, resembling that of P. strobus and P . Lambertiana. Picea g-randis, Dougl. (Plate YI.) The western balsam fir.… … Fig. 16. Fig. 16. Cone, leaves, scales, and seed of P. grandis, natural size.
Pacific railroads -- Explorations and surveys · Discoveries in geography -- American · Natural history -- West (U.S.) · Natural history -- California · Indians of North America -- West (U.S.) · West (U.S.) -- Description and travel · California -- Description and travel · United States -- Discovery and exploration
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