The Geologic Story Of Colorado National Monument by S W Lohman pdf free download. From 1946 until about 1956 I carried out fieldwork intermittently on the geology and artesian water supply of the Grand Junction area, Colorado, the results of which have been published.  The area mapped geologically contains about 332 square miles in the west-central part of Mesa County and includes all of Colorado National Monument.
The Geologic Story Of Colorado National Monument by S W Lohman pdf free download
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