Technical Report Archive & Image Library (TRAIL) - 310 Matching Results

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Acid-Mine-Drainage Problems: Anthracite Region of Pennsylvania

Description: Report from the U.S. Bureau of Mines discussing the anthracite region of Pennsylvania and the efforts to prevent coal-mine drainage into nearby streams. According to the introduction, "The purpose of this report is not to develop a practicable or feasible method or process of treating acid mine water but rather to present available factual and deduced data that may be useful in showing pH range over which the treatment is to take place and the sludge products most likely to be handled" (p. 2).
Date: 1951
Creator: Ash, S. H. (Simon Harry), b. 1889; Felegy, E. W.; Kennedy, D. O. & Miller, P. S.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 1. Final Report

Description: Final report documenting a high-sensitivity airborne radiometric and magnetic survey of the Baltimore, Washington, and Richmond quadrangles including background information, a description of methods, data reduction and analysis, and data presented in maps, tables, and graphical forms.
Date: September 1978
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 2-A. Baltimore Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Baltimore quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: September 1978
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerial Radiometric and Magnetic Reconnaissance Survey of Baltimore, Washington, and Richmond Quadrangles: Volume 2-C. Richmond Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Richmond quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: September 1978
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 1. Final Report

Description: Final report documenting a high-sensitivity airborne radiometric and magnetic survey of the Canton, Clarksburg, Cumberland, Charleston, Charlottesville, Jenkins, Bluefield, Roanoke, Corbin, Chattanooga, and Rome quadrangle areas including background information, a description of methods, data reduction and analysis, and data presented in maps, tables, and graphical forms.
Date: March 1980
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 2-A. Canton Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Canton quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: March 1980
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 2-B. Clarksburg Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Clarksburg quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: March 1980
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Aerial Radiometric and Magnetic Reconnaissance Survey of Portions of Alabama, Georgia, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Virginia, and West Virginia: Volume 2-C. Cumberland Quadrangle

Description: Second volume of a report documenting a high-sensitivity airborne radiometric and magnetic survey of the Cumberland quadrangle including results of data interpretation, significance factor profile maps, stacked profiles, and histograms.
Date: March 1980
Creator: Texas Instruments Incorporated
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Aerial Radiometric and Magnetic Survey: Wilmington National Topographic Map, Delaware/Maryland/New Jersey/Pennsylvania

Description: From abstract: "The results of analyses of the airborne gamma radiation and total magnetic field survey flown for the region identified as the Wilmington National Topographic Maps, numbered NJ18-2 is presented in this report."
Date: 1980
Creator: Bendix Field Engineering Corporation
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Air-Consumption Parameters for Automatic Mixture Control of Aircraft Engines

Description: From Introduction: "The purpose of this analysis was to investigate the use of a function of intake-manifold pressure, exhaust back pressure, intake manifold temperature, and engine speed in place of a venturi as a means of measuring engine air consumption and to determine if this function is suitable for automatic mixture control."
Date: September 1, 1944
Creator: Shames, Sidney J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Final Report: Volume 1. Cleveland Quadrangle (PA, OH), Erie Quadrangle (PA), Warren Quadrangle (PA), Pittsburgh Quadrangle (PA)

Description: The first volume of a report regarding an airborne gamma-ray spectrometer and magnetometer survey. "Volume I contains a description of the systems used in the survey, a discussion of the calibration of the systems, the data collection procedures, the data processing procedures, the data presentation, the interpretation rationale, and the interpretation methodology."
Date: unknown
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Final Report: Volume 2a. Warren Quadrangle (PA)

Description: This second volume of a report regarding an airborne gamma-ray spectrometer and magnetometer survey of the Warren Quadrangle in Pennsylvania. This report discussed geology, radioactive mineral occurrences in Pennsylvania, and geophysical data interpretation.
Date: unknown
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Final Report: Volume 2b. Pittsburgh Quadrangle (PA)

Description: The second volume of a report regarding an airborne gamma-ray spectrometer and magnetometer survey of the Pittsburgh Quadrangle in Pennsylvania. The report discusses geology, radioactive mineral occurrences in Pennsylvania, and geophysical data interpretations.
Date: unknown
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Final Report: Volume 2c. Cleveland Quadrangle (PA, OH), Erie Quadrangle Quadrangle (PA.)

Description: The second volume of a report regarding an Airborne gamma-ray spectrometer and magnetometer survey of the Cleveland Quadrangle, in Pennsylvania and Ohio, and the Erie Quadrangle, in Pennsylvania. This report discusses geology, radioactive mineral occurrences in Pennsylvania and Ohio, and geophysical data interpretation.
Date: unknown
Item Type: Refine your search to only Report
Location: None
Partner: UNT Libraries Government Documents Department
open access

Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910: Part 1. -- Analyses

Description: From Significance and value of Analyses of Coal: "The analyses published in this report cover samples of coal collected in many different parts of the country with unusual care by experiences men, in such manner as to make them representative of extensive beds of coal."
Date: 1913
Creator: Lord, N. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analyses of Coals in the United States with Descriptions of Mine and Field Samples Collected between July 1, 1904 and June 30, 1910 Part 2. Descriptions of Samples

Description: From Introduction: "This volume contains the descriptions of the samples whose analyses are published in the preceding volume, Part I of this bulletin. The descriptions have been compiled from the notebooks of the persons who collected the samples, have been condensed from accounts given in published reports of the United States Geological Survey, or have furnished by the collection themselves. Inasmuch as the descriptions represent the work of many persons during a period of six years, and ina… more
Date: 1913
Creator: Lord, N. W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analyses of Mine and Car Samples of Coal Collected in the Fiscal Years 1911 to 1913

Description: Report issued by the Bureau of Mines over analyses of coal samples collected from 1911 to 1913. The analyses and descriptions of the samples are presented and discussed. This report includes tables, and illustrations.
Date: 1914
Creator: Fieldner, Arno Carl; Smith, Howard I.; Fay, Albert H. & Sanford, Samuel
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Analyses of Pennsylvania Anthracitic Coals

Description: Report issued by the Bureau of Mines discussing the anthracite coal fields of Pennsylvania. History, geology, and mining methods of the anthracite fields are presented. This report includes tables, illustrations, and maps.
Date: 1944
Creator: Ashley, George H.; Toenges, Albert L.; McElroy, G. E.; Siclen, M. Van; Buch, J. W.; Snyder, N. H. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analyses of Samples of Delivered Coal: Collected from July 1, 1915 to January 1, 1922, with a Chapter on the Tidewater Pool Classifications

Description: From Introduction: "The analyses given in this bulletin are of samples of delivered coal. This bulletin gives the results of analyses of samples delivered coal collected from July 1, 1915 to January 1, 1922."
Date: 1923
Creator: Snyder, Ned H.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analyses of Tipple and Delivered Samples of Coal: (Collected During the Fiscal Years 1948 to 1950 Inclusive)

Description: From Forward: "This bulletin is the first of a new series, which includes analyses of only tipple and delivered coal. It covers samples collected throughout the United States from July 1, 1947 to June 30, 1950 (fiscal years 1948-50). It is planned that future publications of this series will cover a period of one fiscal year only and be issued as soon as possible after June 30 of each year."
Date: 1953
Creator: Snyder, N. H. & Aresco, S. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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The Ancient Volcanic Rocks of South Mountain, Pennsylvania

Description: From introduction: In December, 1892, as the result of field work on the part of Dr. G. H. Williams in the northern and of the writer in the southern portion of South Mountain, there appeared a preliminary description of two of the rock types, in which their identification as ancient volcanics was announced. In this bulletin it is proposed to substantiate that identification with more detailed proof. It is further proposed to show that these ancient igneous rocks were, at the time of their cons… more
Date: 1896
Creator: Bascom, Florence
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Annual Report of Research and Technologic Work on Coal: Fiscal Year 1941

Description: Report issued by the U.S. Bureau of Mines discussing the annual report over the research and technology of coal during 1941. As stated in the foreword, "these investigations increase our fund of exact knowledge on the properties and composition of American coals and lead to better methods in mining, preparing, storing, and utilizing coal" (p. 4). This report includes tables, illustrations, photographs, and a map.
Date: November 1941
Creator: Fieldner, Arno Carl & Schmidt, L. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Apparatus and Methods for the Sampling and Analysis of Furnace Gases

Description: From Introduction: "It is the purpose of this paper to describe some apparatus and methods which have proved satisfactory to those engaged in the chemical work of the investigations mentioned. While these methods and apparatus have been designed more particularly with regard to analysis of furnace gases, their use is by no means limited to that purpose."
Date: 1911
Creator: Frazer, J. C. W. & Hoffman, E. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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