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Excerpt from Report on the Geology of the Eastern Portion of the Uinta Mountains and a Region of Country Adjacent Thereto: With Atlas The region of country embraced in the map which accompanies this report is one of great geological interest. Three great categories of facts are here represented on a grand scale, viz: facts relating to displacement, facts relating to degradation, and facts relating to sedimentation. The dis placements are of great magnitude, and because the beds involved are sedi mentary strata but rarely altered, the characteristics of these displacements are plainly revealed, so that in our studies of them we have been able to arrive at conclusions, both quantitative and qualitative, with some degree of certainty. While displacement has been great, degradation has also been great, yet the country has not been planed down to a general base-level, but stands in mountain cliffs and escarped hills, where the strata are plainly revealed. The formations which we are able to study here have an aggregate thickness of feet, and embrace groups of Paleozoic, Mesozoic, and Cenozoic Ages. Throughout nearly the entire region there is a condition of surface which renders the study of the geology comparatively easy. By reason of great altitude and extreme aridity the rocks are rarely masked by subaerial gravels soil, or vegetation, and the book of geology lies open. We have thus been able to collect a large body of facts, which, in the fol lowing volume, have been arranged in such order as it seemed would best present to the reader the general geology of the country. Many details have been omitted which would have been given had the facts been pre sented as they w'e_re collected in the form of an itinerary, but it was though that such a method would result in encumbering geological literature with a. Mass of undigested facts of little value. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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