Forest physiography; physiography of the United States and principles of soils in relation to forestry . her than rugged, and wagon 1 A. C. Veatch, Geography and Geology of a Portion of Southwestern Wyoming, Prof. PaperU. S. Geol. Surv. No. 56, 1907, pp. 34-35, and Plate i. - J. L. Rich, The Physiography of the Bishop Conglomerate, Southwestern Wyoming,Jour. Geol., vol. 18, 1910, pp. 601-632. 3 S. F. Emmons, U. S. Geol. Expl. of the 40th Par. (King Surveys), vol. 2, 1877, p. 236. ROCKY MOUNTAINS. II 343 roads have been constructed on almost every portion of the area with-out that excessive exp
Forest physiography; physiography of the United States and principles of soils in relation to forestry . her than rugged, and wagon 1 A. C. Veatch, Geography and Geology of a Portion of Southwestern Wyoming, Prof. PaperU. S. Geol. Surv. No. 56, 1907, pp. 34-35, and Plate i. - J. L. Rich, The Physiography of the Bishop Conglomerate, Southwestern Wyoming,Jour. Geol., vol. 18, 1910, pp. 601-632. 3 S. F. Emmons, U. S. Geol. Expl. of the 40th Par. (King Surveys), vol. 2, 1877, p. 236. ROCKY MOUNTAINS. II 343 roads have been constructed on almost every portion of the area with-out that excessive expense that is usually required in opening trans-portation routes in mountainous regions.^ The general structure of the Sierra Madre Mountains is a low arch or anticline the axis ofwhich is parallel with the mountain crest. This arch was gradually uplifted and eroded andthe Mesozoic rocks removed from the axial portion, revealing older pre-Cambrian rock whichforms the main mass of the mountains. The Mesozoic formations outcrop on the foothills oneither side and dip away beneath the surrounding Fig. no. — Mature profiles, long gentle spurs, and rounded summits of the mountains of the Encampmentdistrict, south-central Wyoming. (Encampment Special quadrangle, U. S. Geol. Surv.) TETON RANGE The Teton Range extends almost due south from the southwesterncorner of Yellowstone Park and just east of the Idaho-Wyoming is about 40 miles long and from 10 to 15 miles wide, with a centralcluster of exceptionally high peaks, the highest of which, Mount Haydenand Grand Teton, attain elevations of 13,700 feet and 13,800 feet re-spectively. The only practicable pass is Teton Pass at 8400 are still in existence several small glaciers occupying cirques high I A. C. Spenser, The Copper Deposits of the Encampment District, Wyoming, Prof. PaperU. S. Geol. Surv. No. 26, 1904, pp. 12-15. 344 FOREST PHYSIOGRAPHY up in the range. The Tetons consist of a great longitudinal axis
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectforestsandforestry
