The state of Iowa; something of its history, its institutions, its resources and natural advantages . pply of rainfall,and the Mississippi valley practically receives no moisture from thatsource. The western and northwestern winds in this section are cooland dry, while the southerly and easterly winds are warm and moist,affording generally an ample supply of rainfall. If the great mountainranges had been stretched diagonally across this continent, cutting offthis region from the rain-bearing wind currents from the Gulf, this sec-tion would be in reality the great American desert, instead of th
The state of Iowa; something of its history, its institutions, its resources and natural advantages . pply of rainfall,and the Mississippi valley practically receives no moisture from thatsource. The western and northwestern winds in this section are cooland dry, while the southerly and easterly winds are warm and moist,affording generally an ample supply of rainfall. If the great mountainranges had been stretched diagonally across this continent, cutting offthis region from the rain-bearing wind currents from the Gulf, this sec-tion would be in reality the great American desert, instead of the rich-est domain of Ceres. It appears, then, that the essential features of the climate of thisregion are determined by the size and general topography of the con-tinental area at the westward, the height and location of the mountainranges, the direction of the prevailing winds, and the general move-ment of the highs and lows that cross the valley. the entire amount of moisture precipitated over Iowa andcontiguous portions of the Mississippi valley comes directly or indi- 58. 59
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectlouisia, bookyear1904
