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Barite and Barium Products: Part 1. Barite

Description: Report discussing the mineral barite describing occurrence and geographic distribution, use, mining methods, washing and milling, price history, and consumption. Domestic and foreign production are compared with domestic production detailed by state. Production and export of barite countries outside of the United States is also discussed.
Date: January 1930
Creator: Santmyers, R. M.
Partner: UNT Libraries Government Documents Department
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Application of ERTS Images and Image Processing to Regional Geologic Problems and Geologic Mapping in Northern Arizona

Description: Report detailing a study to apply the techniques of computer image processing to Earth resources technology satellites (ERTS) images as an aid to the solution of some regional geologic problems. ERTS-1 images were applied to studies in the Shivwits Plateau, Cococino Plateau, and north-central Ariozona regions. A detailed map of the major fault systems in a 90,000 sq km area in northern Arizona was compiled from high altitude photographs and pre-existing published and unpublished map data. With … more
Date: May 15, 1975
Creator: Goetz, A. F. H.; Billingsley, F. C.; Gillespie, Alan R.; Abrams, Michael J.; Squires, R. L.; Shoemaker, E. M. et al.
Partner: UNT Libraries Government Documents Department
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The Mariner Venus 67 Magnetic Field Control Program

Description: Report describing a program to improve the magnetic stability of hardware on the Mariner spacecraft as necessary for travel toward the sun. The development of a magnetic control plan is described, along with the facilities and testing required. Testing results are presented and analyzed.
Date: April 15, 1968
Creator: Bastow, Joseph G.
Partner: UNT Libraries Government Documents Department
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Prediction of the Position and Velocity of a Satellite After Many Revolutions

Description: Report detailing a systematic study on the prediction of the position and velocity of a satellite after many revolutions about the central mass. Two satellite theories are discussed, along with a more realistic mathematical model of a satellite. A complete set of exact equations is developed for this restricted satellite motion. The bibliography provides a list of references on satellite theory. (xvii)
Date: 1970
Creator: Dallas, S. S.
Partner: UNT Libraries Government Documents Department
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Sequential Estimation of States of a Ballistic Vehicle in an Imperfectly Known Atmosphere

Description: Report describing the development of a guidance system designed to soft-land a vehicle on the surface of a distant plant. The goal of the system is to determine the current position and motion of the vehicle with respect to the guidance goal. In this report, the terminal phase of a soft-landing mission to Mars is used as a numerical example. The maximum principle least-squares nonlinear filter is applied for sequentially estimating the states of a ballistic vehicle in a partially unknown atmosp… more
Date: December 15, 1969
Creator: Bejczy, Antal K.
Partner: UNT Libraries Government Documents Department
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Seismic Monitoring at the Geysers Geothermal Field, California

Description: Report describing preliminary results of an ongoing investigation of earthquake activity at The Geysers in order to determine the attenuation characteristics of the under-saturated region and source characteristics of earthquakes occurring at The Geysers to compare them with earthquakes outside the region. Other objectives include identifying the degree of differentiation that is possible between microearthquakes natural to examine the relation of seismicity and defining in three dimensions the… more
Date: February 1979
Creator: Marks, S. M.; Ludwin, R. S.; Louie, K. B. & Bufe, C. G.
Partner: UNT Libraries Government Documents Department
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The QTRACER2 Program for Tracer-Breakthrough Curve Analysis for Tracer Tests in Karstic Aquifers and Other Hydrologic Systems

Description: Document serving as a technical guide to various groups who must address potential and/or existing contamination problems in hydrological systems. A computer program, QTRACER2, developed to facilitate tracer-breakthrough (BTC) analysis is described. In addition to a user-manual for the software, testing design factors, methodology, example analyses, and data interpolation and extrapolation effects and discussed.
Date: May 2002
Creator: Field, Malcolm S.
Partner: UNT Libraries Government Documents Department
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Calcium Sulphate Retarders for Portland Cement

Description: Report presenting findings for a Bureau of Mines investigation researching anhydrite as a retarder in Portland cement. The report addresses the purpose and need for the study, method of testing, results of the experimental work, and discussion of the results.
Date: September 1925
Creator: Berger, Ernest Elmer
Partner: UNT Libraries Government Documents Department
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Bibliography of Pressure Hydrogenation (In Three Parts): [Part 2]. Patents

Description: From Introduction: "This review contains abstracts of the technical literature and patents dealing material application of the Bergius and related processes for the hydrogenation, under greater than atmospheric pressures, of liquid and solid carbonaceous materials such as coal, lignite, their distillation and extraction products, pitches and tars, and petroleum and its distillation residues."
Date: 1951
Creator: Wiley, Joesph L. & Anderson, H. C.
Partner: UNT Libraries Government Documents Department
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Metal-Mine Accidents in the United States During the Calendar Year 1937

Description: Report providing statistical summaries and analysis of accidents related to metal and nonmetal mining industry in the United States during the calendar year 1937. Accidents are classified by type of injury, location, cause, and kind of mine.
Date: 1940
Creator: Adams, W. W. (William Waugh), 1884-1945 & Kolhos, M. E.
Partner: UNT Libraries Government Documents Department
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Final Environmental Impact Statement for the South Twin Lode Mining and Development Proposal Nye County, Nevada

Description: Environmental impact statement analyzing a proposal to conduct underground mining within the Arc Dome Wilderness in the southern Toiybae Mountains in Nevada. Four alternatives are analyzed in detail. The purpose and need for action, issues and concerns, alternatives, affected environment, and environmental consequences of the alternatives and proposed action are described.
Date: 1990
Creator: United States. Forest Service. Intermountain Region
Partner: UNT Libraries Government Documents Department
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Draft Supplemental Environmental Impact Statement for the Amendment of the Land and Resource Management Plan for the Bighorn National Forest

Description: Draft environmental impact statement outlining timber management issues and the effects a change in the Allowable Sale Quantity or changes in Standards and Guidelines would have on the multiple use management of the Forest. Four alternatives are analyzed in detail. The purpose and need, alternatives, affected environment, and environmental consequences undertaken are described. (Abstract)
Date: 1992
Creator: United States. Forest Service.
Partner: UNT Libraries Government Documents Department
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Draft Environmental Impact Statement: Jackson and Klamath Sustained Yield Units Ten-Year Timber Management Plan

Description: Draft environmental impact statement proposing a timber management plan for public land in Jackson and Klamath Sustained Yield Units of the Medford District in Oregon. Description of the proposed action, environment, impacts of the proposed action, mitigating measures, adverse impacts, environmental consequences, alternatives considered, and consultation and coordination activities undertaken for the study are described in detail.
Date: 197X
Creator: United States. Bureau of Land Management. Oregon State Office
Partner: UNT Libraries Government Documents Department
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Draft Environmental Impact Statement for the Jackpile-Paguate Uranium Mine Reclamation Project

Description: Final environmental impact statement (FEIS) describing a proposed reclamation plan for the Jackpile-Paguate Uranium Mine. The No Action Alternative and three reclamation proposals are described. Description of the alternatives, affected environment, environmental consequences, and consultation and coordination activities undertaken for the study are described in detail.
Date: February 1985
Creator: United States. Bureau of Land Management. Rio Puerco Resource Area
Partner: UNT Libraries Government Documents Department
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Evaluation of the Use of Scientific Information in Developing the 1997 Forest Plan for the Tongass National Forest

Description: Report describing how scientific information was used in making management decisions relative to the Tongass land management plan, examining and evaluating on whether the decisions were consistent with available information. Specific resources considered include: aquatic, riparian, and fisheries sustainability, wildlife viability, karst and cave protection, slope stability, timber resources, social and economic effects and monitoring.
Date: October 1997
Creator: Everest, Fred H.; Swanston, Douglas N.; Shaw, Charles G., III; Smith, Winston Paul; Julin, Kent R. & Allen, Stewart, D.
Partner: UNT Libraries Government Documents Department
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Fractures and Failure Mechanics in Loess and Applications to Rock Mechanics

Description: Report describing a study of rock mechanics, clarifying certain aspects of the following processes: fracture propagation, arching, subsidence, landsliding, and rockfalling. The purpose of the study, characteristics and behavior of loess, environment and conditions leading to loess failure, types of failure of loess, stress states, description and analysis of selected failures, and extension of concepts to other materials are discussed.
Date: August 1969
Creator: Lutton, R. J.
Partner: UNT Libraries Government Documents Department
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The 1930s Survey of Forest Resources in Washington and Oregon

Description: Report providing a brief overview of a survey of forest resources in Washington and Oregon conducted in the early 1930s by employees of the Pacific Northwest Forest Experiment Station (the original name of the current Pacific Northwest Research Station). Documentation regarding forest cover maps produced from this survey data is detailed, reprinting excerpts from, or complete versions of, early publications that dealt with the planning, conduct, or results from the survey. A list of county-leve… more
Date: December 2003
Creator: Harrington, Constance A.
Partner: UNT Libraries Government Documents Department
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Summary Report: Aerodynamic Re-Entry Analysis, Task 2, Thermoelectric Generator

Description: Report describing an analytical trajectory and aerothermodynamic analysis of a satellite containing a Task 2 thermoelectric generator. A complete analyses of the fate of the radio-cerium fuel following various aborted launching attempts also was carried out. Charts summarizing the various assumed failures and locations of the fuel following failure are shown. A technical discussion of the methods used in performing the analysis is included in the report. (Author)
Date: December 27, 1960
Creator: Oehrli, Robert
Partner: UNT Libraries Government Documents Department
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SNAP 19 Phase 3 Final Report: Volume 1, Power Supply System

Description: Report providing an account of phase 3 of the SNAP 19 radioisotope thermometric generator program, under which prototype-qualified and acceptance tested flight power supplies for the Nimbus B spacecraft were produced. This volume covers the complete power supply system, including a description of the power supply, interface with Nimbus B spacecraft, testing, power supply reliability, aerospace nuclear safety, aerospace ground equipment, and spacecraft integration.
Date: May 1968
Creator: Martin Marietta Corporation
Partner: UNT Libraries Government Documents Department
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Results of 10% Thermal Model Test, Nimbus B Sensory Ring: SNAP 19 Expanded Safety Program

Description: Report describing test results obtained from a thermally scaled model of the Nimbus B spacecraft when tested in the NASA-Ames Research Center 3.5-food Hypersonic Wind Tunnel at a Mach number of 10. Descriptions of the facility, model, and test procedure are described. The test result data is presented and discussed.
Date: January 1967
Creator: Shih, C. & Rowe, W. H., Jr.
Partner: UNT Libraries Government Documents Department
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Multiple-Unit SNAP 2 Power Systems for Manned Application

Description: Report describing a study made of the feasibility of utilizing multiple-unit Systems for Nuclear Auxiliary Power (SNAP) 2 systems to provide power in the 10- to 40-kwe range for manned space stations. Reliability, packaging, weight, operational considerations are discussed. (Abstract)
Date: January 28, 1964
Creator: Rosenberg, H. N.
Partner: UNT Libraries Government Documents Department
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Progress Report for SNAP 4: July-September 1961

Description: Report describing the program objectives, program summary, summary developments status, development system (critical assembly), and component development progress (fuel) for Systems for Nuclear Auxiliary Power (SNAP) 4, a multipurpose compact nuclear power system, for the period July to September 1961.
Date: December 15, 1961
Creator: Flower, L. M.
Partner: UNT Libraries Government Documents Department
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Preliminary SNAPSHOT-1 Performance Summary

Description: Report presenting the preliminary evaluation test results from the Space Nuclear Auxiliary Power Shot (SNAPSHOT) flight test, launched in April 3, 1965. A flight test description, discussion of the data system, test results, description of system shutdown, and identification of technology gained from the Systems for Nuclear Auxiliary Power (SNAP) 10A flight test are included.
Date: August 1, 1965
Creator: Galantine, R. M.
Partner: UNT Libraries Government Documents Department
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SRE-PEP Moderator Elements: Final Report

Description: Report discussing the design and engineering of the new Zircaoloy-2 moderator and reflector elements for the Solid Reactor Experiment (SRE) Power Expansion Program (PEP). The existing design, proposed design, and details of the final design are described. Additional aspects described include are material properties, thermal analysis, stress analysis, and the final proof test.
Date: January 15, 1966
Creator: Jones, C. E.
Partner: UNT Libraries Government Documents Department
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