PLATE IX 



FiG. 1. Entrenched meanders. Scale, about 1 mile per inch. Contour in- 

 terval, 20 feet. (Harrisburg, Pa., Sheet, U. S. Geol. Surv.) 



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FIG. 2. A Section of the California Coast, showing lands near the coast, 

 which have recently emerged. Scale, about 1 mile per inch. Contour 

 interval, 20 feet. (Oceanside, Cal., Sheet, U. S. Geol. Surv.) 



