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Physiographic Subdivisions of the San Luis Valley, Southern Colorado

J. E. Upson
The Journal of Geology
Vol. 47, No. 7 (Oct. - Nov., 1939), pp. 721-736
Stable URL: http://www.jstor.org/stable/30056469
Page Count: 16
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Physiographic Subdivisions of the San Luis Valley, Southern Colorado
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Abstract

The San Luis Valley in south-central Colorado has heretofore been considered a single physiographic unit. In this paper are described five distinct geomorphologic subdivisions of the valley together with the fundamental geologic history which gave rise to the characteristics of each subdivision.

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