Report on the Geology of the Eastern Portion of the Uinta Mountains and a Region of Country Adjacent Thereto. with Atlas. by J.W. Powell.236 pages9 hours of readingTrack
Preliminary Field Report of the United States Geological Survey of Colorado and New Mexico, Conducted Under the Authority of Hon. J.D. Cox, Secretary160 pages6 hours of readingTrack
12th Annual Report of the United States Geological and Geographical Survey of the Territories ... by F. V. Hayden, United States Geologist ...268 pages10 hours of readingTrack
Final Report of the United States Geological Survey of Nebraska and Portions of the Adjacent Territories, Made Under the Direction of the Commissioner312 pages11 hours of readingTrack
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