. Studies in natural history. Natural history; Natural history. EROSIONAL HISTORY OF DRIFTLESS AREA 101. Fig. 31. Blcck diagram showing the courses of the streams in a final stage of stream adjt,strrent in a first of erosion. Now the present course of the Mississippi river in early maturity of the present cycle of valley development is al- most exactly what would be expected if it were determined by two streams flowing in opposite directions from the crest of the arch, the south-flowing stream having captured the north-flowing one, as outlined above (Fig. 32). North. Please note that the
. Studies in natural history. Natural history; Natural history. EROSIONAL HISTORY OF DRIFTLESS AREA 101. Fig. 31. Blcck diagram showing the courses of the streams in a final stage of stream adjt,strrent in a first of erosion. Now the present course of the Mississippi river in early maturity of the present cycle of valley development is al- most exactly what would be expected if it were determined by two streams flowing in opposite directions from the crest of the arch, the south-flowing stream having captured the north-flowing one, as outlined above (Fig. 32). North. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original University of Iowa; State University of Iowa; Making of America Project. Iowa City, Ia
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectnaturalhistory, booky
