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Determination of the 14-Mev Li7 (n,n'a)T Cross Section from Sphere Multiplication and Transmission Measurements

Description: By utilizing lithium spherical shell transmission and multiplication measurements, the Li7(n,n'y)Li7 and the He6-production cross sections, it is possible to deduce that the 14-Mev Li (n,n'a)T cross section is 325 ± 75 mb. A spectrum for neutrons degraded in energy between 0 and 12 Mev is also given.
Date: July 1054
Creator: Thomas, R. G.
Partner: UNT Libraries Government Documents Department
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On Secondary Enlargements of Mineral Fragments in Certain Rocks

Description: A report about quartz fragments and genesis of qartzites. Sandstones are described that have grains which are bounded externally by crystalline faces. The quartz coatings of these grains are in perfect "optical and crystalline continuity" with the interior fragments.
Date: 1884
Creator: Irving, R. D. & Van Hise, C. R.
Partner: UNT Libraries Government Documents Department
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The Gabbros and Associated Hornblende Rocks Occurring in the Neighborhood of Baltimore, Maryland

Description: From introduction: The present paper is intended as a contribution to our knowledge of a particular phase of metamorphism in eruptive rocks, i.e., that one which is dependent on the secondary development of hornblende by the paramorphism or pseudomorphism of pyroxene.
Date: 1886
Creator: Williams, George Huntington
Partner: UNT Libraries Government Documents Department
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Notes of the Geology of North California

Description: A report about a complex group of mountain ridges in Northern California and Oregon. It discusses the geology of North California.
Date: 1886
Creator: Diller, J. S.
Partner: UNT Libraries Government Documents Department
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Peridotite of Elliott County, Kentucky

Description: A report about the peridotite found in dikes of an eruptive rock between Isom's and Critche's Creeks in Kentucky.
Date: 1887
Creator: Diller, J. S.
Partner: UNT Libraries Government Documents Department
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Types of the Laramie Flora

Description: From explanatory remarks: I have in preparation a work on the flora of the Laramie group, in which will be described and figured a very large number of fossil plants, most of 'which were collected by myself in the seasons of 1881 and 1883 and the elaboration of which has occupied most of my time since the latter date.
Date: 1887
Creator: Ward, Lester F.
Partner: UNT Libraries Government Documents Department
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The Upper Beaches and Deltas of the Glacial Lake Agassiz

Description: A report about the exploration of the extinct Lake Agassiz, now a prairie, in Minnesota that was explored in 1879 and 1881.
Date: 1887
Creator: Upham, Warren
Partner: UNT Libraries Government Documents Department
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On the Form and Position of the Sea Level

Description: A report about sea level change and problems and methods pertaining to measuring it.
Date: 1888
Creator: Woodward, Robert Simpson
Partner: UNT Libraries Government Documents Department
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Formulas and Tables to Facilitate the Construction and Use of Maps

Description: A report about a spheroid which represents the true size and shape of the earth, and it is the one to which nearly all geodetic work in the United States in now referred.
Date: 1889
Creator: Woodward, Robert Simpson
Partner: UNT Libraries Government Documents Department
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The Geology of Nantucket

Description: Letter of transmittal: I have the honor to transmit herewith a report on the geology of the island of Nantucket. This report embodies a portion of the work which I have done in connection with the general study of the Atlantic coast line. Although part of a much more extended inquiry, it seems well to publish the results contained in this memoir in advance of my general report for the reason that the region constitutes a distinctly bounded field and also because the problems considered in this … more
Date: 1889
Creator: Shaler, Nathaniel Southgate
Partner: UNT Libraries Government Documents Department
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On Invertebrate Fossils from the Pacific Coast

Description: A report about fossils from the Chico-Téjon series of California. These fossils constitute additions to the already known molluscan fauna of an important series of rich strata.
Date: 1889
Creator: White, Charles A.
Partner: UNT Libraries Government Documents Department
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On the Thermo-Electric Measurement of High Temperatures

Description: From preface: The present publication is the first contribution to a research on the physical constants of rocks; the experiments of which are to follow a general plan devised by Mr. Clarence King, former Director of the U. S. Geological Survey.
Date: 1889
Creator: Barus, Carl
Partner: UNT Libraries Government Documents Department
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