Abstract
included in the Columbia Basin Project, the largest single irrigation plan ever conceived. Grant County is large, almost a hundred miles long and fifty miles wide. Within the area has been one of the sparsest populations of the state, yet few agricultural regions have had greater changes resulting from war conditions. What the future will bring when the Columbia Basin Project has been completed and thousands of farms are developed in the region, it is difficult to conjecture. Physically, the county is a southsloping, semi-arid plateau with elevation varying between 1000 and 2000 feet. The county is divided into five parts on the basis of its soils and topography: the Channeled Scablands, the Waterville Plateau, the Quincy Flats, the Folded Ridges, and the Sand Hills. The Channeled Scablands is largest of the five parts occupying the northern and eastern half of the county to the north and east of Soap Lake, Ephrata, and Moses Lake (see map). The scablands are glacial channels left by meltwater of the ice sheet which covered
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