Search Results

open access

Ancient Lavas in Shenandoah National Park Near Luray, Virginia

Description: Abstract: In the Blue Ridge Province of northern Virginia, Maryland, and southern Pennsylvania, Lower Cambrian beds are underlain by a thick sequence of greenstone and interbedded sedimentary rocks known as the Catoctin Formation. An area near Luray, Va., was studied to determine the thickness of the formation, its relationship to overlying and underlying rocks, and the original nature of the lavas from which the Catoctin greenstone was derived. There the Catoctin Formation lies unconformably … more
Date: 1969
Creator: Reed, John Calvin, Jr.
Partner: UNT Libraries Government Documents Department
open access

Annual Report (FY 1969): Freeport Test Facility and Vertical-Tube-Evaporator Test-Bed Plant, Freeport, Texas

Description: Report presenting progress in saline water conversion at the Freeport Test Facility and Vertical-Tube-Evaporator Test-Bed Plant in Freeport, Texas, and the economics of its operation. Includes information regarding the LTV multiple-effect evaporation method of desalination.
Date: 1969
Creator: Campbell, Keith S. & Williams, Donald L.
Partner: UNT Libraries Government Documents Department
open access

A Descriptive Catalog of Selected Aerial Photographs of Geologic Features in Areas Outside the United States

Description: From introduction: The U.S. Geological Survey has selected and assembled 67 sets of aerial photographs that illustrate a variety of geologic features in Antarctica, South and Central America, the southwest Pacific, Iran, Japan, the Arabian Peninsula, Pakistan, and mainland China. Contact prints of the photographs composing these sets are available for purchase. Sets of photographs of geologic features in the United States and Puerto Rico are listed in a separate catalog (Denny, C. S., and other… more
Date: 1969
Creator: Warren, Charles R.; Schmidt, Dwight Lyman; Denny, Charles Storrow & Dale, William J.
Partner: UNT Libraries Government Documents Department
open access

Expedient Reinforcement of Concrete for Use in Southeast Asia: Report 1: Preliminary Tests of Bamboo

Description: "This report summarizes the preliminary results of a current U. S. Army Engineer Waterways Experiment Station (WES) study of the feasibility of using bamboo as an expedient reinforcement for temporary, reinforced concrete structures. The report contains an extensive review of the literature, a description of the test procedures, results of an investigation of the most important engineering properties of bamboo, descriptions of tests of 26 bamboo-reinforced structural elements (20 simply support… more
Date: 1969
Creator: Cox, F. B. & Geymayer, H. G.
Partner: UNT Libraries Government Documents Department
open access

Fluorine Micas

Description: From Abstract: "In the report, detailed data and descriptions are given on compositions, syntheses, products, and uses, and on the properties including physical, dielectric, chemical, X-ray, optical, and structural."
Date: 1969
Creator: Shell, Haskiel R. & Ivey, Kenneth H.
Partner: UNT Libraries Government Documents Department
open access

Gold Veins Near Great Falls, Maryland

Description: From abstract: Small deposits of native gold are present along an anastomosing system of quartz veins and shear zones just east of Great Falls, Montgomery County, Md. The deposits were discovered in 1861 and were worked sporadically until 1951, yielding more than 5,000 ounces of gold. The vein system and the principal veins within it strike a few degrees west of north, at an appreciable angle to foliation and fold axial planes in enclosing rocks of the Wissahickon Formation of late Precambrian … more
Date: 1969
Creator: Reed, John Calvin, Jr. & Reed, John Calvin
Partner: UNT Libraries Government Documents Department
open access

Lectures on Modular Forms

Description: Report consisting of an expository account of the theory of modular forms and its application to number theory and analysis.
Date: 1969
Creator: Lehner, J. (Joseph), 1912-
Partner: UNT Libraries Government Documents Department
open access

Mineral Resources and Industries of Arkansas

Description: From Abstract: "This bulletin describes mineral resources and industries of Arkansas. Items discussed include engineering, geological, and economic features; mineral reserves and resources; uses and markets; and the current status and future potential of mineral commodities available in the State."
Date: 1969
Creator: Stroud, Raymond B.; Arndt, Robert H.; Fulkerson, Frank B. & Diamond, W. G.
Partner: UNT Libraries Government Documents Department
open access

Pecos National Monument, New Mexico: Its Geologic Setting

Description: From introduction: The ruins of the pueblos and missions of Pecos lie on the east bank of Glorieta Creek near its junction with the Pecos River at the south end of the Sangre de Cristo Mountains in north-central New Mexico. Here the Pecos River and Glorieta Creek have formed a broad rolling valley in which the red adobe walls of the mission church stand as a striking monument to a historic past.
Date: 1969
Creator: Johnson, Ross B.
Partner: UNT Libraries Government Documents Department
open access

Pennsylvania Anthracite Refuse: A Survey of Solid Waste from Mining and Preparation

Description: Report issued by the U.S. Bureau of Mines discussing coal mining production and waste disposal. As stated in the introduction, this circular discusses anthracite refuse disposal (removal and utilization) practices and their effectiveness. Attention is also directed toward the rate of growth of the material, costs of disposal, and problems involving ownership of the refuse" (p. 2). This report includes maps, tables, illustrations, and photographs.
Date: 1969
Creator: MacCartney, John C. & Whaite, Ralph H.
Partner: UNT Libraries Government Documents Department
open access

Respiratory Protective Devices Approved by the Bureau of Mines as of December 31, 1968: A Revision of Information Circular 8281

Description: Report issued by the U.S. Bureau of Mines discussing a revision on the breathing devices approved for use in mines and mineral industries. As stated in the abstract, "this publication lists the respiratory protective devices approved by the Bureau of mines as of December 31, 1968, and the names and addresses of their manufacturers" (p. 1). This report includes tables.
Date: 1969
Creator: Schutz, R. H. & Kloos, E. J.
Partner: UNT Libraries Government Documents Department
open access

Supply and Demand for Energy in the United States by States and Regions, 1960 and 1965 (In Four Parts): 1. Coal

Description: Report issued by the U.S. Bureau of Mines discussing regional supply and demand data between 1960 and 1965. As stated in the introduction, "in this report, the discussions in the text describe the methods used to develop data deficiencies for inputs to the supply-demand tables" (p. 1). This report includes maps, tables, and illustrations.
Date: 1969
Creator: Broderick, Grace N.
Partner: UNT Libraries Government Documents Department
open access

Supply and Demand for Energy in the United States by States and Regions, 1960 and 1965 (In Four Parts): 2. Utility Electricity

Description: Report issued by the U.S. Bureau of Mines discussing supply and demand data from the energy industry. As stated in the introduction, "in this report, the discussions in the text describe the methods used to develop data deficiencies for inputs to the supply-demand tables" (p. 1). This report includes maps, tables, and illustrations.
Date: 1969
Creator: Hall, Franklin P. & Broderick, Grace N.
Partner: UNT Libraries Government Documents Department
open access

Supply and Demand For Energy in the United States by States and Regions, 1960 and 1965 (In Four Parts): 3. Dry Natural Gas

Description: Report issued by the U.S. Bureau of Mines discussing regional and state supply and demand data. As stated in the introduction, "data for 1960 and 1965 have been presented in tabular form as supply-demand balances, showing the development of the total supply available for consumption and the disposition of that supply-demand by consuming sector for each state and region" (p. 2-3). This report includes maps, tables, and illustrations.
Date: 1969
Creator: Crump, Lulie H.
Partner: UNT Libraries Government Documents Department
open access

Supply and Demand For Energy in the United States by States and Regions, 1960 and 1965 (In Four Parts): 4. Petroleum and Natural Gas Liquids

Description: Report issued by the U.S. Bureau of Mines discussing state and regional supply and demand data. As stated in the introduction, "the primary purpose of this study is to provide, on a state-by-state basis, petroleum and natural gas liquids industry data that can be (1) integrated into state and regional energy balances by source, form, and consumer sectors, and (2) used to determine interstate and inter-regional energy flows" (p. 1). This report includes maps, tables, and illustrations.
Date: 1969
Creator: Crump, Lulie H. & Yasnowsky, Phillip N.
Partner: UNT Libraries Government Documents Department
open access

Surficial Geology of Mount Rainier National Park, Washington

Description: From introduction: Much of the ground surface around Mount Rainier volcano is directly underlain by loose geologic deposits that veneer the hard rock formations. Examples of these deposits are sand and gravel bars along the rivers, ridges of loose rock debris beside the glaciers, and sloping aprons of rock fragments beneath almost every cliff. Even though they are generally thin and inconspicuous when compared with the rock formations, these surficial deposits are clues to geologic events that.… more
Date: 1969
Creator: Crandell, Dwight Raymond
Partner: UNT Libraries Government Documents Department
open access

Fuels and Materials Development Program Quarterly Progress Report, September 30, 1968

Description: From Foreword: "Report containing information about ongoing research and development taking place in the Oak Ridge National Laboratory's Fuels and Materials Development Program. This includes a series of test reports covering such subjects as reactor fuels, the development of nitride fuels, and the effects of radiation on structural materials."
Date: February 1969
Creator: Oak Ridge National Laboratory. Metals and Ceramics Division.
Partner: UNT Libraries Government Documents Department
open access

Methods, System Optimization, and Safety Studies for a 1000 MegaWatt Sodium-Cooled Fast Reactor: Task 3 and 5 report of 1000 MegaWatt Liquid Metal Fast Breeder Reactor Follow-On Work

Description: From introduction: "Evaluation of trade-off and optimization studies in which numerous design parameters and economic ground-rules are varied to determine the effect on the economics of the reference concept. Selected safety studies."
Date: February 1969
Creator: General Electric Company
Partner: UNT Libraries Government Documents Department
Back to Top of Screen