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On hypersthene andesite and on triclinic pyroxene in augitic rocks
No abstract available.
Authors
Whitman Cross, Samuel Franklin Emmons
The tertiary lake-basin at Florissant, Colorado, between South and Hayden Parks
The following remarks are based upon collections and notes made during a visit to Florissant, in the summer of 1877, in company with Messrs. Arthur Lakes, of Golden, Colo., and F. C. Bowditch, of Boston, Mass. As five days only were spent in the place, most of the time was given up to the collection and care of specimens, so that only a general survey of the locality was possible. Mr. Lakes especi
Authors
Samuel H. Scudder
Third Annual report of the United States Geological Survey to the Secretary of the Interior, 1881-1882
No abstract available.
Authors
J. W. Powell
Twelfth Annual Report of the United States Geological and Geographical Survey of the Territories: A report of progress of the exploration in Wyoming and Idaho for the year 1878, Part II: Yellowstone National Park
No abstract available.
Authors
Ferdinand Vandeveer Hayden
Twelfth Annual Report of the United States Geological and Geographical Survey of the Territories: A report of progress of the exploration in Wyoming and Idaho for the year 1878, Part I: Geology, paleontology, and zoology
This report includes the labors of the corps for the field season of 1878, and the office work until the close of the existence of the Survey by law June 30, 1879. Several of the members have, however, performed very important work since that time in elaborating their individual reports, which has added greatly to their interest and value.A general summary of the work for the season of 1878 will b
Authors
F. V. Hayden
Volume III: The vertebrata of the Tertiary formations of the West
No abstract available.
Authors
Ferdinand Vandeveer Hayden, Edward D. Cope
Volume VIII: Contributions to the fossil flora of the Western Territories, Part III: The Cretaceous and Tertiary flora
No abstract available.
Authors
Ferdinand Vandeveer Hayden, Leo Lesquereux
Atlas to accompany the monograph on the geology of the Comstock Lode and the Washoe district
No abstract available.
Authors
George Ferdinand Becker
Atlas to accompany the Tertiary history of the Grand Canyon district
No abstract available.
Authors
Clarence E. Dutton
Annual report upon the geographical and topographical surveys of the territory of the United States west of the 100th meridian, in the States and Territories of California, Colorado, Kansas, Nebraska, Nevada, Oregon, Texas, Arizona, Idaho, Montana, New Me
No abstract available.
Authors
George Montague Wheeler, Montgomery Meigs Macomb