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Safety Factors in Construction and Ventilation, Wawona Vehicular Tunnel, Yosemite National Park, California

Description: Report issued by the Bureau of Mines discussing the safety and ventilation hazards presented during the construction of the Wawona tunnel in Yosemite National Park. Safety precautions and procedures used during the construction are presented. This report includes tables, illustrations, and photographs.
Date: 1940
Creator: Ash, S. H.
Partner: UNT Libraries Government Documents Department

Mining Practices and Safety at the Lava Cap Gold Mining Corporation Mines, Nevada City-Grass Valley District, California

Description: Report issued by the Bureau of Mines discussing mining safety in the Grass Valley mining district. As stated in the introduction, "the purpose of this paper is not to present an outstanding safety record but to show that gold mining can be pursued with the same degree of safety and improvement as any other industry, if and when the management recognizes that it can and must be done" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date: 1941
Creator: Ash, S. H.
Partner: UNT Libraries Government Documents Department

Carbon Dioxide Content of Mine-Fire Atmospheres as an Aid when Fighting Metal-Mine Fires

Description: Report issued by the U.S. Bureau of Mines discussing mine fires, and methods for controlling and extinguishing them. As stated in the purpose, "the purpose of this report is to show briefly how to utilize the trend of the carbon dioxide content of the mine-fire atmospheres to fight metal-mine fires" (p. 4). This report includes tables, and illustrations.
Date: December 1950
Creator: Ash, S. H.
Partner: UNT Libraries Government Documents Department

Barrier Pillars in Wyoming Basin, Northern Field: Anthracite Region of Pennsylvania

Description: From Introduction: "The purpose of this report is to furnish factual data on barrier pillars that enter into the water problem of the Wyoming Basin; these data will, in turn, be helpful in solving the anthracite-mine-water problem of the Northern field."
Date: 1954
Creator: Ash, S. H. (Simon Harry), b. 1889
Partner: UNT Libraries Government Documents Department

Barrier Pillars in the Southern Field: Anthracite Region of Pennsylvania

Description: From Introduction: "The investigation of barrier pillars in the Southern field is part of the comprehensive study of the mine-water problem in the anthracite region of Pennsylvania by the Federal Bureau of Mines (1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16, 18).
Date: 1953
Creator: Ash, S. H. (Simon Harry), b. 1889 & Kynor, H. D.
Partner: UNT Libraries Government Documents Department

Analyses of Complex Mixtures of Gases: Application to Control and Extinguish Fires and to Prevent Explosions in Mines, Tunnels, and Hazardous Industrial Processes

Description: From Purpose of Report: "The purpose of the report is to point out what the mine-management official, the safety engineer, and the chemist, can do to utilize analyses of complex gas mixtures as basis for safe procedure to (1) control and extinguish fires in mines, tunnels, and individual plants and (2) prevent explosions when dealing with explosive mixtures and sources of ignition. The report is designed to meet the needs of those desiring to utilize analyses of complex-gas mixtures for the above-mentioned purpose."
Date: 1948
Creator: Ash, S. H. & Felegy, E. W.
Partner: UNT Libraries Government Documents Department

Some Essential Safety Factors in Tunneling

Description: From Purpose of Report: "This paper is based partly upon the authors' observations and partly upon studies of tunnel driving; these cover essentially all types of tunnels in various parts of the United States during the past 25 years."
Date: 1941
Creator: Harrington, D. & Ash, S. H. (Simon Harry), b. 1889
Partner: UNT Libraries Government Documents Department

Barrier Pillars in Lackawanna Basin, Northern Field: Anthracite Region of Pennsylvania

Description: From Introduction: "The purpose of this report is to furnish data on the barrier pillars that enter into the water problem of the Lackawanna Basin; this will be helpful in solving the anthracite-mine-water problem of the Northern field."
Date: 1952
Creator: Ash, S. H. (Simon Harry), b. 1889; Davies, B. S.; Jenkins, H. E. & Romischer, W. M.
Partner: UNT Libraries Government Documents Department

Barrier Pillars in the Western Middle Field: Anthracite Region of Pennsylvania

Description: From Summary: "The investigation of barrier pillars in the Western Middle field is part of the comprehensive study of mine-water problem in the anthracite region of Pennsylvania by the Federal Bureau of Mines (1, 2, 5, 6, 7, 8, 9, 10, 11, 12, 15, 16)." From Introduction: "The purpose of this report is to give factual data on barrier pillars that will be helpful in solving the mine-water problem."
Date: 1953
Creator: Ash, S. H. (Simon Harry), b. 1889; Kennedy, D. O.; Link, H. B. & Romischer, W. M.
Partner: UNT Libraries Government Documents Department

Buried Valley of the Susquehanna River: Anthracite Region of Pennsylvania

Description: Report issued by the U.S. Bureau of Mines regarding a buried valley area (a deposit of clay, sand, and gravel) around the Susquehanna River in the anthracite region of Pennsylvania, near the city of Wilkes-Barre. According the the introduction, "The purpose of this report is to furnish data on the buried valley of the Susquehanna River that will be useful in solving the anthracite mine-water problem" and "This report (a) discusses the physical characteristics and the influence of the buried valley of the Susquehanna River on anthracite mining in the Wyoming Valley area of the Northern field, (b) correlates pertinent data relating to the buried valley, (c) presents accurate contour maps showing the position of the top of solid rock underlying the water-soaked valley-fill deposits in the buried valley, and (d) presents cross sections at regular intervals across the buried valley showing the irregularities in trend and bottom as well as the thickness, configuration, and nature of the materials composing the water-bearing valley-fill deposits" (p. 3).
Date: 1950
Creator: Ash, S. H. (Simon Harry), b. 1889
Partner: UNT Libraries Government Documents Department

Water Pools in Pennsylvania Anthracite Mines

Description: Report issued by the Bureau of Mines discussing water pools that accumulate in Pennsylvania anthracite mines. Factors that lead to underground water pools, and methods for water drainage are presented. This report includes tables, maps, illustrations, and photographs.
Date: 1949
Creator: Ash, S. H.; Eaton, W. L.; Hughes, Karl; Romischer, W. M. & Westfield, J.
Partner: UNT Libraries Government Documents Department

Flood-Prevention Projects at Pennsylvania Anthracite Mines: Progress Report for Fiscal Year Ended June 30, 1947

Description: Report issued by the Bureau of Mines over the progress made on flood prevention in anthracite mines. As stated in the report, "the broad objective of the investigative work was to obtain factual data on: 1. anthracite reserves of Pennsylvania, 2. underground water pools, 3. barrier pillars, 4. the "buried valley" of the Susquehanna River, and 5. infiltration of surface water into underground mine workings" (p. 4). This report includes tables, graphs, maps, photographs, and illustrations.
Date: April 1948
Creator: Ash, S. H.; Cassap, W. E.; Eaton, W. L.; Hughes, Karl; Romischer, W. M. & Westfield, James
Partner: UNT Libraries Government Documents Department

Safety Practices in California Gold Dredging

Description: From Introduction Purpose of Report: "The importance of safety work in connection with the operations of gold dredges assumed such proportions at one time that the State of California deemed it necessary to issue a special bulletin on this subject."
Date: 1932
Creator: Ash, S. H. (Simon Harry), b. 1889
Partner: UNT Libraries Government Documents Department

Surface-Water Seepage into Anthracite Mines in the Western Middle Field: Anthracite Region of Pennsylvania

Description: From Scope of Report: "This report summarizes the engineering study conducted during 1952 by engineers of the Federal Bureau of Mines seepage of surface water into mine workings underlying the Western Middle field drainage area."
Date: 1953
Creator: Ash, S. H. (Simon Harry), b. 1889 & Link, H. B.
Partner: UNT Libraries Government Documents Department

Surface-Water Seepage into Anthracite Mines in the Lackawanna Basin, Northern Field: Anthracite Region of Pennsylvania

Description: From Scope of Report: "This report discusses the nature of stream-bed and surface seepage problems and mentions remedial measures devised by some anthracite-mining companies to prevent seepage of surface water into their mines."
Date: 1952
Creator: Ash, S. H. (Simon Harry), b. 1889; Eaton, W. L. & Whaite, R. H.
Partner: UNT Libraries Government Documents Department

Surface-Water Seepage into Anthracite Mines in the Southern Field: Anthracite Region of Pennsylvania

Description: Scope of Report: "This report summarizes the engineering study conducted during 1953 by engineers of the Federal Bureau of Mines on seepage of surface water into mine workings underlying the Southern field drainage area."
Date: 1954
Creator: Ash, S. H. (Simon Harry), b. 1889; Link, H. B. & Romischer, W. M.
Partner: UNT Libraries Government Documents Department

Surface-Water Seepage into Anthracite Mines in the Wyoming Basin, Northern Field: Anthracite Region of Pennsylvania

Description: From Scope of Report: "This report discusses the nature of stream-bed and surface seepage problems and mentions remedial measures devised by some anthracite-mining companies to prevent seepage of surface water into their mines."
Date: 1953
Creator: Ash, S. H. (Simon Harry), b. 1889 & Whaite, R. H.
Partner: UNT Libraries Government Documents Department

Permissible Electric Cap Lamps and Ventilation in Certain California Mines and Water-Tunnel Construction

Description: From Introduction: "As a result of the recommendations of this committee, special studies have been made of the methane hazards incident to mining and tunneling operations in the Coast Range Mountains. These studies have resulted in the adoption of numerous safety precautionary measures; among them the use of permissible types of mining equipment, electric cap lamps, with which this deals with primarily."
Date: 1932
Creator: Ash, S. H. (Simon Harry), b. 1889 & Rankin, J. H.
Partner: UNT Libraries Government Documents Department

Mine Flood Prevention and Control: Anthracite Region of Pennsylvania, Final Report of the Anthracite Flood-Prevention Project Engineers

Description: Summary: "The engineering survey, summarized in this report, consisted of studies on acid mine water, underground-water pools, the "buried valley" of the Susquehanna River, inundated anthracite reserves, mine pumping plants, surface-water pools, seepage of surface water into mines, barrier pillars between mines, and geologic features of the region that included core drilling along alinement of the proposed Conowingo tunnel and to some extent along the proposed Marcus Hook alternate tunnel route. A comprehensive study was conducted to determine corrosion and erosion resistance of selected metals and alloys and to ascertain their suitability for components of pumps to be used in handling acid mine water."
Date: 1957
Creator: Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A. & Miller, P. S.
Partner: UNT Libraries Government Documents Department

Core Drilling at Shaft Sites of Proposed Mine-Water Drainage Tunnel: Anthracite Region of Pennsylvania

Description: From Scope of Report: "This report deals with the diamond drilling of 15 holes at the shaft of the proposed main drainage tunnel and with the information obtained by a petrographic examination of the core drillings from these boreholes.
Date: 1952
Creator: Ash, S. H. (Simon Harry), b. 1889; Doherty, R. Emmet; Miller, P. S.; Romischer, W. M. & Smith, J. D.
Partner: UNT Libraries Government Documents Department

Flood Prevention in Anthracite Mines: Anthracite Region of Pennsylvania, Projects Numbers 4 and 5

Description: From Scope of Reports: "This report covers the following: (a) A brief description of the work proposed under Projects Nos. 4 and 5; (b) the topography, geology and hydrology of the area into which the sections of the proposed tunnel are to be driven; (c) plans, costs, and construction schedules of the projects; and (d) conclusions and recommendations."
Date: 1956
Creator: Ash, S. H. (Simon Harry), b. 1889; Dierks, H. A. & Kennedy, Miller, P. S.
Partner: UNT Libraries Government Documents Department

Mine Pumping Plants: Anthracite Region of Pennsylvania

Description: From Summary: "To obtain a reliable picture of the anthracite-mine-water problem and to solve that problem, it is necessary to have factual data on the volume and the quality and character of mine water handled by pumping plants in the anthracite region, as well as kinds of pumps utilized and problems concerning their operation. The main conclusion that be drawn from an investigation of drainage practices in the anthracite region is that, although efficient pumping layouts, tunnels for draining active mines, and large-scale surface-drainage facilities for keeping water out of mines are in use, the anthracite industry still is threatened with curtailment, to a major degree, and premature extinction because of the encroachment of water, unless remedial action is undertaken in the vary near future by all interests concerned."
Date: 1953
Creator: Ash, S. H. (Simon Harry), b. 1889; Hower, C. S.; Kennedy, D. O. & Lesser, W. H.
Partner: UNT Libraries Government Documents Department