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open access

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
open access

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
open access

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
open access

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
open access

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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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
open access

Subaërial Decay of Rocks and Origin of the Red Color of Certain Formations

Description: A report that focuses on the widespread decay of the surface rocks throughout the Appalachian region. It also focuses on the iron-stained sands which result from subaërial decay of crystalline rocks that agree in many ways with iron-stained sands forming certain geologic formations.
Date: 1889
Creator: Russell, Israel Cook
Partner: UNT Libraries Government Documents Department
open access

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
open access

[Comptroller Taxes, December 18, 1880]

Description: Comptroller taxes of 1880 by Levi Perryman of Montague County. Lists the debts and credits within the county.
Date: December 18, 1880
Creator: Perryman, Levi
Partner: UNT Libraries Special Collections
open access

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
open access

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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