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Lithologic Studies of Fine-Grained Upper Cretaceous Sedimentary Rocks of the Black Hills Region (open access)

Lithologic Studies of Fine-Grained Upper Cretaceous Sedimentary Rocks of the Black Hills Region

More than nine-tenths of the Upper Cretaceous rocks in northeastern Wyoming are fine-grained shales, mudstones, and calcareous marls. A comparative study of the mineralogy, chemical and mechanical composition, density and porosity, fissility, and lamination of samples of these rocks discloses several relations that throw light on the geologic history and structural deformation of the region, and perhaps on its oil and gas possibilities.
Date: 1930
Creator: Rubey, William Walden
System: The UNT Digital Library
Studies Regarding the Role of Wyoming Natural Gas in Precipitating Primary uranium Minerals from Pregnant Solutions (open access)

Studies Regarding the Role of Wyoming Natural Gas in Precipitating Primary uranium Minerals from Pregnant Solutions

Abstract: This project was designed to test the chemical feasibility of depositing of depositing a primary uranium mineral from a pregnant solution by exposing the solution to natural gas in an environment favorable to such deposition.
Date: May 11, 1956
Creator: Sims, Harry M. & Smith, Fred L.
System: The UNT Digital Library
The Significance of Geologic Conditions in Naval Petroleum Reserves No. 3, Wyoming (open access)

The Significance of Geologic Conditions in Naval Petroleum Reserves No. 3, Wyoming

From Introduction: The work on which this report is based consisted of detailed field and office studies which occupied the greater part of the summer of 1927. During this period mapping was done with plane table and telescopic alidade on a scale of 1 inch to 1,000 feet, and wells, faults, and outcrops within the productive part of the Teapot field were located in detail.
Date: 1931
Creator: Thom, W. T., Jr. & Spieker, Edmund M.
System: The UNT Digital Library
Investigation of Uranium Potential of Precambrian and Metasedimentary Rocks, Central Laramie Range, Wyoming: Final Report (open access)

Investigation of Uranium Potential of Precambrian and Metasedimentary Rocks, Central Laramie Range, Wyoming: Final Report

From abstract: This study is directed toward evaluation of potential uraniferous quartz-pebble conglomerate occurrences or strata-bound uranium occurrences in the Laramie Range.
Date: January 1981
Creator: Graff, P. J.; Sears, J. W. & Holden, G. S.
System: The UNT Digital Library
FEMA DRF Major Disaster Assistance: Wyoming (open access)

FEMA DRF Major Disaster Assistance: Wyoming

This In Focus provides an overview of the assistance provided to Wyoming by the FEMA DRF (Disaster Relief Fund) from 2002-2013.
Date: January 28, 2015
Creator: Richardson, Daniel J.
System: The UNT Digital Library
National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix B-4 (open access)

National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix B-4

Appendix containing statistical summary of geochemical data from stream sediment, ground and surface water samples in the Newcastle quadrangle to accompany a report on U.S. uranium resources in Wyoming in South Dakota.
Date: September 1982
Creator: Robinson, Keith & Lishner, J. M.
System: The UNT Digital Library
National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix C (open access)

National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix C

Appendix containing uranium occurrence reports in the Newcastle quadrangle to accompany a report on U.S. uranium resources in Wyoming and South Dakota.
Date: September 1982
Creator: Santos, Elmer S.; Robinson, Keith; Geer, K. A. & Blattspieler, J. G.
System: The UNT Digital Library
National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix B-2 (open access)

National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix B-2

Appendix containing field data and chemical analyses of stream sediment samples collected from outcrop areas of the Newcastle quadrangle.
Date: September 1982
Creator: Robinson, Keith; Irvin, J. J. & Lishner, J. M.
System: The UNT Digital Library
Airborne Radiometric Survey of the East Flank of the Big Horn Mountains, Wyoming and Montana (open access)

Airborne Radiometric Survey of the East Flank of the Big Horn Mountains, Wyoming and Montana

Abstract: An airborne radiometric survey of parts of the east flank of the Big Horn Mountains was begun on June 23, and completed on August 27, 1952. An area of approximately 250 square miles was covered, and only two anomalies were found in the entire area. Flight lines were arranged in accordance with the geology of the area, particular attention being given to formations the stratigraphic equivalents of which are known to be uranium bearing in other areas. Two additional zones of radioactivity were found by ground investigation, but assays from both the ground and the airborne discoveries showed no economic uranium deposits.
Date: September 26, 1952
Creator: Jones, E. E.
System: The UNT Digital Library
Lost Creek (Wamsutter) Schroeckingerite Deposit, Sweetwater County, Wyoming (open access)

Lost Creek (Wamsutter) Schroeckingerite Deposit, Sweetwater County, Wyoming

Summary: The Lost Creek schroeckingerite deposit in Sweetwater County, Wyo., has attracted attention in the past both as an occurrence of comparatively rare minerals and more recently as a possible source of uranium ore. During the summer of 1948 a newly-formed company by the name of Uranium, Inc., explored part of the deposit by bulldozer trenching and drilling. under the technical direction of the Minerals Engineering Company of Grand Junction, Colo. Examination of the significant exposures of the schroeckingerite deposit indicated that the uraniferous beds are discontinuous and that their areal distribution is erratic. The overburden has an average thickness of 2.5 feet.
Date: January 21, 1952
Creator: Wyant, Donald G.
System: The UNT Digital Library
Preliminary Drilling in the Powder River Basin, Converse, Campbell, and Johnson Counties, Wyoming (open access)

Preliminary Drilling in the Powder River Basin, Converse, Campbell, and Johnson Counties, Wyoming

Abstract: On July 16, 1953, a diamond core-drilling program was begun in the Pumpkin Buttes area to secure geologic information.
Date: June 1957
Creator: Geslin, H. E. & Bromley, Charles P.
System: The UNT Digital Library
Airborne Reconnaissance Project, Green River Basin, Wyoming (open access)

Airborne Reconnaissance Project, Green River Basin, Wyoming

Abstract: A part of the Green River Basin airborne reconnaissance project, re: memo to Phillip L. Merritt, March 12, 1954, Proposed Airborne Reconnaissance Project, Green River Basin, Wyoming, was completed during the months from July though October 1954. No uranium mineralization of commercial value was found.
Date: January 1955
Creator: Magleby, Dan N. & Meehan, R. J.
System: The UNT Digital Library
Airborne Radiometric Reconnaissance in the Wind River Basin, Wyoming (open access)

Airborne Radiometric Reconnaissance in the Wind River Basin, Wyoming

Abstract: A program of airborne radiometric reconnaissance for uranium was conducted in eastern Fremont and western Natrona Counties, in central Wyoming, during the summer and fall of 1954, by the U.S. Atomic Energy Commission.
Date: June 1957
Creator: Loomis, Tom H. W. & Blair, Robert G.
System: The UNT Digital Library
Video Processing of Remote Sensor Data Applied to Uranium Exploration in Wyoming: Final Report (open access)

Video Processing of Remote Sensor Data Applied to Uranium Exploration in Wyoming: Final Report

From introduction: This study is a comprehensive investigation of altered sandstone associated with uranium deposits near Pumpkin Buttes in the Powder River Basin of Wyoming, and the detection of such alteration using remote sensing technology. The purpose of this study is two-fold: 1) to develop video image processing techniques that will preferentially enhance areas of alteration associated with uranium deposits and enable mapping of these areas, and 2) to investigate the spectral, geochemical, and mineralogical characteristics of altered areas which make them detectable on remote sensor data. Once these video processing techniques have been defined, they may be applied as exploration tools to new areas with similar surface and geological environments. In this way, remote sensing can serve as a valuable tool for uranium exploration.
Date: June 30, 1979
Creator: Levinson, Richard A.; Marrs, Ronald W. & Crockell, Fred
System: The UNT Digital Library
[Wyoming Uranium Evaluation] Volume 1: A Summary of the Geology and Uranium Potential of Precambrian Conglomerates in Southeastern Wyoming (open access)

[Wyoming Uranium Evaluation] Volume 1: A Summary of the Geology and Uranium Potential of Precambrian Conglomerates in Southeastern Wyoming

From deposit: Since 1975 a cooperative effort between the United States Department of Energy, United States Geological Survey, Geological Survey of Wyoming, the Geology Department, University of Wyoming, and various industry groups has resulted in the discovery of a series of uraniumthorium-and gold-bearing conglomerates in Late Archean and Early Proterozoic metasedimentary rocks of southern Wyoming. The mineral deposits were found by applying the time and strata bound model for the origin of uranium-bearing quartz-pebble conglomerates to favorable rock types within a geologic terrane known from prior regional mapping.
Date: February 1981
Creator: Karlstrom, Karl E.; Houston, Robert S.; Flurkey, Andrew J.; Coolidge, Carolyn M.; Kratochvil, Anthony L. & Sever, Cassandra K.
System: The UNT Digital Library
[Wyoming Uranium Evaluation] Volume 2: Drill-Hole Data, Drill-Site Geology, and Geochemical Data from the Study of Precambrian Uraniferous Conglomerates of the Medicine Bow Mountains and the Sierra Madre of Southeastern Wyoming (open access)

[Wyoming Uranium Evaluation] Volume 2: Drill-Hole Data, Drill-Site Geology, and Geochemical Data from the Study of Precambrian Uraniferous Conglomerates of the Medicine Bow Mountains and the Sierra Madre of Southeastern Wyoming

From introduction: This volume is presented as a companion to Volume I: The Geology and Uranium Potential of Precambrian Conglomerates in the Medicine Bow Mountains and Sierra Madre of southeastern Wyoming; and to Volume 3: Uranium Assessment for Precambrian Pebble Conglomerates in Southeastern Wyoming. In Volume 1, we summarized the geologic setting and geologic and geochemical characteristics of uranium-bearing conglomerates in Precambrian metasedimentary rocks of southeastern Wyoming. Volume 3 is a geostatistical resource estimate of U and Th in quartz-pebble conglomerates. This volume contains supporting geochemical data, lithologic logs from 48 drill holes in Precambrian rocks of the Medicine Bow Mountains and Sierra Madre, and drill site geologic maps and cross-sections from most of the holes.
Date: February 1981
Creator: Karlstrom, Karl E.; Houston, Robert S.; Schmidt, Thomas G.; Inlow, David; Flurkey, Andrew J.; Kratochvil, Anthony L. et al.
System: The UNT Digital Library
[Wyoming Uranium Evaluation] Volume 3: Uranium Assessment for the Precambrian Pebble Conglomerates in Southeastern Wyoming (open access)

[Wyoming Uranium Evaluation] Volume 3: Uranium Assessment for the Precambrian Pebble Conglomerates in Southeastern Wyoming

From introduction: The Geology Department of the University of Wyoming was asked to make a geostatistical assessment of the uranium endowment of these deposits as a part of the World Class core drilling operations of the Bendix Field Engineering Corporation. This study was to include (a) the development of optimum geostatistical methodology for assessing uranium endowment in areas of close drill control (1 mile or less centers) as well as in areas of distant drill control (5 mile centers or more), (.b) the implementation of this methodology in assessing the uranium resources of the pebble conglomerates in southeastern Wyoming, and (c) the determination of the overall geostatistical uncertainty of the resource estimates. In addition, methods were to be studied for projecting the assessments into new areas, including prediction of estimate uncertainty.
Date: March 1981
Creator: Borgman, Leon E.; Sever, Cassandra K.; Quimby, William F.; Andrew, Michael E.; Houston, Robert S. & Karlstrom, Karl E.
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Volume 1. Final Report: Torrington Quadrangle (Wyoming/Nebraska) and Casper Quadrangle (Wyoming) (open access)

Aerial Gamma Ray and Magnetic Survey, Volume 1. Final Report: Torrington Quadrangle (Wyoming/Nebraska) and Casper Quadrangle (Wyoming)

From abstract: From September 15 to September 28, 1978, geoMetrics, Inc., collected 4320 line miles of high sensitivity airborne radiometric and magnetic data in Wyoming and Nebraska within two 1° x 2° NTMS quadrangles (Torrington and Casper).
Date: August 1979
Creator: EG & G GeoMetrics
System: The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the Northern Part of the Powder River Basin, Wyoming (open access)

Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the Northern Part of the Powder River Basin, Wyoming

During the spring and summer of 1976, 2144 water and water transported sediment samples were collected from 1685 locations spread over an approximate 21 000 km area of the northern end of the Powder River Basin in northeast Wyoming.
Date: November 1977
Creator: Morris, Wayne A.
System: The UNT Digital Library
Engineering Report on the Great Divide Basin Drilling Project, Sweetwater County, Wyoming (open access)

Engineering Report on the Great Divide Basin Drilling Project, Sweetwater County, Wyoming

Introduction: This report presents engineering details, statistics, individual borehole histories, and geophysical logs of the nine holes drilled in the Great Divide Basin project during the 1981 drilling program. General information is presented regarding specific problems including weather and logistics. A separate geologic report is being prepared and will be available through the Bendix Field Engineering Corporation Technical Library in the near future.
Date: September 1981
Creator: Harrison, Jack Edward
System: The UNT Digital Library
Resurvey of Certain Townships in Wyoming, Report (open access)

Resurvey of Certain Townships in Wyoming, Report

Report of the Committee on Public Lands detailing the opinions and recommendations of the Committee on the proposed Senate bill 6190 to resurvey townships in Wyoming. It includes an attached letter from the Secretary of the Interior on the proposed legislation.
Date: 1908~
Creator: United States. Congress. Senate. Committee on Public Lands
System: The UNT Digital Library
Resurvey of Certain Townships in Wyoming, Adverse Report (open access)

Resurvey of Certain Townships in Wyoming, Adverse Report

Report of the Committee on Public Lands detailing the opinions and recommendations of the Committee on the proposed Senate bill 4829 authorizing the resurvey of certain townships in the State of Wyoming.
Date: 1908~
Creator: United States. Congress. Senate. Committee on Public Lands
System: The UNT Digital Library
Additional Lands for Wyoming Under Carey Act, Report (open access)

Additional Lands for Wyoming Under Carey Act, Report

Report of the Committee on Public Lands detailing the opinions and recommendations of the Committee on the proposed Senate resolution 66 providing that certain additional lands in Wyoming be made available under the Carey Act.
Date: 1908~
Creator: United States. Congress. Senate. Committee on Public Lands
System: The UNT Digital Library
National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix D (open access)

National Uranium Resource Evaluation: Newcastle Quadrangle, Wyoming and South Dakota, Appendix D

Appendix containing data on gamma ray anomalies in oil and gas test wells to accompany a report on U.S. uranium resources in Wyoming and South Dakota.
Date: September 1982
Creator: Santos, Elmer S.
System: The UNT Digital Library