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182 Matching Results
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California: basic data for thermal springs and wells as recorded in GEOTHERM. Part A
This GEOTHERM sample file contains 1535 records for California. Three computer-generated indexes give one line summaries of each GEOTHERM record. Each index is sorted by different variables to assist in locating geothermal records describing specific sites. 7 refs. (ACR)
Date:
July 1, 1983
Creator:
Bliss, J. D.
Object Type:
Report
System:
The UNT Digital Library
Mineral Resources of the Turtle Mountains Wilderness Study Area, San Bernardino County, California
From abstract: At the request of the U.S. Bureau of Land Management, approximately 105,200 acres of the Turtle Mountains Wilderness Study Area (CDCA-307) were evaluated for mineral resources (known) and resource potential (undiscovered). In this report, the area studied is referred to as "the wilderness study area" or simply "the study area"; any reference to the Turtle Mountain Wilderness Study Area refers only to that part of the wilderness study area for which a mineral survey was requested by the U.S. Bureau of Land Management. The wilderness study area is in southeastern San Bernardino County, Calif. Gold, silver, copper, and lead have been mined within and adjacent to the study area.
Date:
1988
Creator:
Howard, Keith A.; Nielson, Jane E.; Simpson, Robert W.; Hazlett, Richard W.; Alminas, Henry V.; Nakata, John K. et al.
Object Type:
Report
System:
The UNT Digital Library
Map of public surveys in California & Nevada.
Map shows major settlements, counties, township grid, reservations, mines and mineral resources, light houses, wells and other water features for most of California and a small portion of Nevada. Relief shown by hachures. Scale [1:1,140,480].
Date:
1866
Creator:
United States. General Land Office.
Object Type:
Map
System:
The Portal to Texas History
The Coso Quicksilver District, Inyo County, California
From abstract: The Coso quicksilver district, which is in the Coso Range, Inyo County, Calif., produced 231 flasks of quicksilver between 1935 and 1939. The quicksilver mineral, cinnabar, was not recognized in the district until 1929, although the hot springs near the deposits have been known since about 1875...The granitic rock on which much of the sinter rests is considerably altered. The cinnabar was deposited as films and grains in open spaces in the sinter, during one stage in a sequence of hot spring activities that still continues. The amount of sinter in the district is estimated to be about 1,800,000 tons. Although the greater part of this does not contain much cinnabar, the total quantity of such material is large enough to be of interest as a low-grade ore.
Date:
1943
Creator:
Ross, Clyde P. & Yates, Robert G.
Object Type:
Report
System:
The UNT Digital Library
Mineral Industries Survey of the United States: California, Kern County, Mojave District: The Golden Queen and other Mines of the Mojave District, California
Report issued by the U.S. Bureau of Mines discussing the mineral production of mines in Kern County, California. Mining and milling methods of these mines are presented. This report includes tables, maps, illustrations, and photographs.
Date:
January 1937
Creator:
Julihn, C. E. & Horton, F. W.
Object Type:
Report
System:
The UNT Digital Library
Gypsum Products: Their Preparation and Uses
Technical report issued by the Bureau of Mines over the different uses of gypsum. The sources and uses of gypsum are presented and discussed. This report includes tables, photographs, and illustrations.
Date:
July 1917
Creator:
Stone, Ralph W.
Object Type:
Report
System:
The UNT Digital Library
Mining and Furnacing Methods and Costs, Abbott Mine, Cog Minerals Corporation, Lake County, California
Report issued by the U.S. Bureau of Mines discussing mining methods and costs from Abbott Mine in Lake County, California. As stated in the introduction, "this report summarizes past operations and describes, in detail, the geology and ore deposits; exploration and mining methods; and furnacing and condensing operations. It covers the entire operation from initial exploration to the actual production of mercury" (p. 1). This report includes maps, tables, illustrations, and photographs.
Date:
1962
Creator:
Johnson, Albin Carl & Hanson, F. D.
Object Type:
Report
System:
The UNT Digital Library
Mineral Industries Survey of the United States, California: Tuolumne and Mariposa Counties, Mother Lode District (South). Mines of the Southern Mother Lode Region, Part 2 -- Tuolumne and Mariposa Counties
Report issued by the Bureau of Mines over mining operations in the southern Mother Lode Region of California. A review of this area is presented, and discussed. This report includes tables, illustrations, and photographs.
Date:
1940
Creator:
Julihn, C. E. & Horton, F. W.
Object Type:
Report
System:
The UNT Digital Library
Mining Methods and Costs, Black Rock Tungsten Mine, Wah Chang Mining Corp., Mono County, California
Report issued by the U.S. Bureau of Mines discussing mining costs and methods of the Black Rock Tungsten Mine in Mono County, California. As stated in the summary, "this report is one of a series prepared by the Bureau of Mines on exploration, development, mining methods, and costs at various mines in the United States" (p. 1). This report includes maps, illustrations, and photographs.
Date:
1960
Creator:
Johnson, A. C. & Fillip, N. M.
Object Type:
Report
System:
The UNT Digital Library
[Letter from Isaac H. Kempner to Mrs. Charles W. Roland, May 21, 1945]
Letter from Isaac H. Kempner to Mrs. Charles W. Roland offering her advice and suggesting who to contact in regard to an issue she is having.
Date:
May 21, 1945
Creator:
Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type:
Letter
System:
The Portal to Texas History
[Letter from I. H. to Cecile Kempner]
Letter to Cecile from her father discussing a conference in San Francisco, Roman Catholicism in Europe, and international relations.
Date:
19XX
Creator:
Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type:
Letter
System:
The Portal to Texas History
[Letter from I. H. Kempner to Mr. and Mrs. Kilburn Moore, May 2, 1944]
Letter from I. H. Kempner to Mr. and Mrs. Kilburn Moore discussing Mr. and Mrs. Kempner giving Frances Moore their condolences for the loss of Knox and discussing the way Know passed away while serving in the military. Kempner ends with offering Moore an article that was featured in several Texas Newspapers but not Galveston's newspaper.
Date:
May 2, 1944
Creator:
Kempner, Isaac H. (Isaac Herbert), 1873-1967
Object Type:
Letter
System:
The Portal to Texas History
The Wet Thiogen Process for Recovering Sulphur from Sulphur Dioxide in Smelter Gases: A Critical Study
From Introduction: "A critical study of the wet Thiogen process for extracting sulphur from smoke of smelters is one of several investigations related to the general smelter-smoke problem that are being conducted under direction of the Bureau of Mines. Work on the Thiogen process was started again in January, 1916, in the laboratories of the new mining experiment station at Berkeley, Cal., and was continued during the spring of 2016 until a point was reached where it was felt that the essential parts of the process had been carefully covered, and that some definite statements concerning the technical features and possibilities of the process, as given in this report, were warranted."
Date:
1917
Creator:
Wells, A. E.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of a California Bentonitic Clay for Use in Oil-Well Drilling Muds
Report issued by the Bureau of Mines over studies conducted on the bentonite deposits of San Benito County, California. As stated in the introduction, "the purpose of the study was to learn if these large deposits contain bentonite of sufficient quality and quantity to be of economic value as an oil-well drilling mud additive" (p. 1). This report includes tables, maps, illustrations, and photographs.
Date:
1959
Creator:
Aune, Quinton A.; Caraway, W. Hodge; Morris, Frank C. & Gates, George Laurence
Object Type:
Report
System:
The UNT Digital Library
[Record of Parolee Number 22624 - January, 1955]
A record of Subject Number 22624 including After Sentence Reports, Further Information, Supplement to Presentence, Copy of Hospital Report, Letters from Employers and Relatives, Memorandums, Psychiatrict Report and Preliminary Review, 23 pages.
Date:
January 1955
Creator:
unknown
Object Type:
Letter
System:
The Portal to Texas History
[Letter from Trammell R. Roland to Mr. I. H. Kempner, May 17, 1945]
Letter from Trammell R. Roland to I. H. Kempner discussing a Presidential appointment as a naval officer for John and enclosing a letter to Sam Rayburn and Isaac's letter from Judge Mansfield on the subject.
Date:
May 17, 1945
Creator:
Roland, Trammell R.
Object Type:
Letter
System:
The Portal to Texas History
Brine chemistry: scaling and corrosion. Geothermal research study in the Salton Sea region of California
The purpose of this report is to recommend a reasonable program of brine chemistry research that will result in the development of methods for predicting and controlling scale deposition, and in guidelines for the selection of corrosion-resistant construction materials. First, background information, which is necessary for the understanding of the problems of scaling and corrosion in the Salton Sea KGRA, is presented through a review of the history of geothermal exploration and development in the Salton Sea. Second, literature relevant to the geochemistry of the Salton Sea field is reviewed and important results are emphasized. Third, current research efforts directed toward actual power plant construction are summarized and evaluated. Fourth, research which has been proposed but is not currently funded is discussed. Fifth, because silica scaling has been the most troublesome problem in the past, the basic chemistry of silica and its relationship to scaling is discussed. Sixth, recommendations for future research are made in which a fundamental engineering approach is emphasized. In this approach, experiments would be conducted on actual process equipment and detailed chemical analyses would be performed on site in well-equipped field laboratories. 88 references.
Date:
July 1, 1975
Creator:
Hoffmann, Michael R.
Object Type:
Report
System:
The UNT Digital Library
The Use of Mud-Laden Fluid in Oil and Gas Wells
From Introduction: "Technical Paper 66 deals with the mud-laden fluid process in general and No. 68 with its application in Oklahoma. Rather than reprint these publications, it has been considered advisable to replace them with the present report, which includes the results of more recent investigations. The methods of using mud-laden fluid are an outgrowth of the rotary drilling system, which was developed in Texas and later employed in Louisiana and California."
Date:
1916
Creator:
Lewis, James O. & McMurray, William F.
Object Type:
Report
System:
The UNT Digital Library
Geothermal probabilistic cost study
A tool is presented to quantify the risks of geothermal projects, the Geothermal Probabilistic Cost Model (GPCM). The GPCM model is used to evaluate a geothermal reservoir for a binary-cycle electric plant at Heber, California. Three institutional aspects of the geothermal risk which can shift the risk among different agents are analyzed. The leasing of geothermal land, contracting between the producer and the user of the geothermal heat, and insurance against faulty performance are examined. (MHR)
Date:
August 1, 1981
Creator:
Orren, Lowell H.; Ziman, G. Michael; Jones, Sue C.; Lee, Tom K.; Noll, Roger; Wilde, Louis et al.
Object Type:
Report
System:
The UNT Digital Library
Beneficiation of Chromite Ores From Western United States
Report issued by the U.S. Bureau of Mines on the sampling of chrome ore deposits in the western United States. Physical properties of the samples collected are presented. This report includes tables.
Date:
June 1947
Creator:
Batty, J. V.; Mitchell, T. F.; Havens, R. & Wells, R. R.
Object Type:
Report
System:
The UNT Digital Library
Chromite and quicksilver deposits of the Del Puerto area, Stanislaus County, California
From Introduction: "The present report is based on 10 weeks of field work from mid-November 1940 until late January 1941, and 4 days in May 1941. An area of 5 1/2 square miles in and about Del Puerto Canyon was mapped on a scale of 600 feet to 1 inch, and two small areas in the vicinity of the Adobe Canyon and Black Bart chromite mines were mapped on a scale of 200 feet to 1 inch."
Date:
1942
Creator:
Hawkes, H. E., Jr.; Wells, Francis G. & Wheeler, D. P., Jr.
Object Type:
Report
System:
The UNT Digital Library
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1913: Part 2 -- Mineral Fuels
From introduction: This report determines the geographic distribution and thickness of the bituminous shale, or oil shale, or tar shale of the Green River formation of the Uinta Basin in Colorado and Utah.
Date:
1915
Creator:
Campbell, Marius R. & White, David
Object Type:
Report
System:
The UNT Digital Library
Technical Proposal Salton Sea Geothermal Power Pilot Plant Program
The proposed Salton Sea Geothermal Power Pilot Plant Program comprises two phases. The objective of Phase 1 is to develop the technology for power generation from high-temperature, high-salinity geothermal brines existing in the Salton Sea known geothermal resources area. Phase 1 work will result in the following: (a) Completion of a preliminary design and cost estimate for a pilot geothermal brine utilization facility. (b) Design and construction of an Area Resource Test Facility (ARTF) in which developmental geothermal utilization concepts can be tested and evaluated. Program efforts will be divided into four sub-programs; Power Generation, Mineral Extraction, Reservoir Production, and the Area Resources Test Facility. The Power Generation Subprogram will include testing of scale and corrosion control methods, and critical power cycle components; power cycle selection based on an optimization of technical, environmental and economic analyses of candidate cycles; preliminary design of a pilot geothermal-electric generating station to be constructed in Phase 2 of this program. The Mineral Extraction Subprogram will involve the following: selection of an optimum mineral recovery process; recommendation of a brine clean-up process for well injection enhancement; engineering, construction and operation of mineral recovery and brine clean-up facilities; analysis of facility operating results from environmental, economical …
Date:
March 28, 1975
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
California Mining Statutes Annotated
From Preface: "The purpose of such publication is to point out the laws and regulations best adapted to increase safety and efficiency in the mineral industry of the United States and to aid legislative bodies in framing uniform mining laws. The State of California, by reason of its historic interest in mining and by reason of its great extent of mineral land and its vast mineral deposits, has been selected for the first bulletin of the of the State series. This bulletin is submitted to the miners and operators and all persons interested in the mining exterprises in California and in those of other States in the hope that it will be accorded the same generous reception as was given Bulletin 94."
Date:
1918
Creator:
Thompson, J. W.
Object Type:
Report
System:
The UNT Digital Library