THE WORK OF STREAMS 



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Fig. 124. — Deltas formed in Lake Bonneville by the Logan River, Utah. 

 (U. S. Geol. Surv.) 



spits, deltas, and other thick deposits are left (Fig. 124). One of the 

 most remarkable lakes of this sort was Lake Bonneville (Fig. 125), 

 of which the Great Salt Lake is a withered remnant. This lake at 



Fig. 125. — Contour map of the shore terraces of Lake Bonneville, Utah. 

 The terraces were cut and built at different lake levels. (U. S. Geol. Surv.) 



