HLAWoRTH. | Physiography of Western Kansas. 43 
“this enclosing wall there are but four breaks—three, at the north 
“and northwest, caused by entering streams, the fourth, at the 
“southeast, a partial outlet, the elevation of the base of which is 
“considerably less than that of the adjoining parts of the enclosing 
“wall, but greater than the general level of the basin. Hence it 
“does not prevent the flooding of the entire bottoms with water to 
“the depth of several feet in the rainy season. Nearly every spring 
“this basin is converted into a large lake by the drainage water of 
“the surrounding country being poured into it. A poor variety of 
“salt grass is the main vegetation which grows in the basin, which 
“furnishes a small amount of pasturage. 
“By reference to the map, figure 1, it will be seen, that on all but 
“the east side the walls are composed of the Dakota formation, with 
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A map of Cheyenne Bottoms, near Great Bend. 
By Benj. L. Miller. 
