Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . he expansive cone or fan sloping southeastward from White-water Canyon for several miles, grades from boulders and coarse gravelsto gravel and sand. The greater portion of the desert from PalmSprings settlement to Point Happy, including the territory along therailroad, is very sandy and the land is dotted with shifting dunes. The winds which account for the presence of the dunes sweep downfrom the higher elevations through the eastern end of San GorgonioPass and on across the de
Appendix to the Journals of the Senate and Assembly of the ..session of the Legislature of the State of California . he expansive cone or fan sloping southeastward from White-water Canyon for several miles, grades from boulders and coarse gravelsto gravel and sand. The greater portion of the desert from PalmSprings settlement to Point Happy, including the territory along therailroad, is very sandy and the land is dotted with shifting dunes. The winds which account for the presence of the dunes sweep downfrom the higher elevations through the eastern end of San GorgonioPass and on across the desert to replace the heated atmosphere of SaltonBasin. They are so strong and frequent through the central portionof the desert, especially in the spring season, that the region is unsuitedto agriculture and the land along the railroad from Palm Springsstation to Myoma can hardly be reclaimed even should there be waterfor it. The town of Palm Springs and lands below Mission Canyonare remarkably well sheltered, while lands along Whitewater wash,below Deep Canyon and at Seven Palms, are far enough out of the track. VaUer ?ke^oM witeriinr°H°^ ^ old pumping plants on the southwest side of CoachellaCrel/Canyon ° ° ^^ ^ ^^ ^ background. Fig. 2 (lower).-Mill Bui. 4—(p. 15) FLOOD CONTROL LX VALLEY. 15 of the violent winds to permit profitable eultivation. Below PointHappy the winds expand over the broader and less eonfined area oi:Die settled i)ortion of the vall(\y where tliey lose niueh of their ridge of nianiinoth dunes parallels Whitewater wash for severalmiles at Indian Wells and the stream when flowing is confined betweenthem and Point Happy. The sand dune area extends below the pointon the southwest side of the valley. The lower limits of the sand dunearea are shown on the accompanying map by dotted line. From Point Happy to Salton Sea most of the valley is below sea ancient beach line is clearly traced on both sides of the valleyand is about 4
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