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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
Published by: The University of Chicago Press
Stable URL: http://www.jstor.org/stable/30056469
Page Count: 16
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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.
The Journal of Geology © 1939 The University of Chicago Press