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[Aberdeen Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Aberdeen quadrangle in South Dakota.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Dataset
System: The UNT Digital Library

[Aberdeen Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Aberdeen quadrangle in South Dakota.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Dataset
System: The UNT Digital Library
Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Aberdeen Quadrangle, South Dakota: Final Report, Volume 1 (open access)

Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Aberdeen Quadrangle, South Dakota: Final Report, Volume 1

The following report presents results of an airborne high sensitivity gamma-ray spectrometer and magnetometer survey over the Aberdeen quadrangle, South Dakota.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Report
System: The UNT Digital Library
Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Aberdeen Quadrangle, South Dakota: Final Report, Volume 2 (open access)

Airborne Gamma-Ray Spectrometer and Magnetometer Survey, Aberdeen Quadrangle, South Dakota: Final Report, Volume 2

The following report is the second volume in a series of data presenting results of an airborne high sensitivity gamma-ray spectrometer and magnetometer survey over the Aberdeen quadrangle, North Dakota. This volume contains data maps of the results.
Date: April 1981
Creator: Aero Service (Firm)
Object Type: Report
System: The UNT Digital Library
Pathfinder Atomic Power Plant Technical Progress Report: October 1, 1958-December 31, 1958 (open access)

Pathfinder Atomic Power Plant Technical Progress Report: October 1, 1958-December 31, 1958

Introduction: This is the fifth of a series of reports covering technical progress on the research and development program being performed in connection with the design of the Pathfinder Atomic Power Plant.
Date: April 18, 1955
Creator: Allis-Chalmers Manufacturing Company
Object Type: Report
System: The UNT Digital Library
[Postcard from Sarah Anna Simmons Crane addressed to T. N. Carswell - April 27, 1940] (open access)

[Postcard from Sarah Anna Simmons Crane addressed to T. N. Carswell - April 27, 1940]

A postcard addressed to Mr. T. N. Carswell, Abilene, Texas From Sarah Anna Simmons Crane, Yankton, South Dakota, postmarked Yankton, South Dakota, April 27, 1940. The reverse side includes correspondence written to Mr. Carswell from Sarah Anna Simmons Crane, dated April 26, 1940. Crane expresses how glad she was that Carswell spoke at President Sandefer's Funeral. She thought it so fine of him to suggest a building as a Memorial.
Date: April 27, 1940
Creator: Crane, Sarah Anna Simmons
Object Type: Text
System: The Portal to Texas History
Aerial Gamma Ray and Magnetic Survey, Final Repot: Nemo Detail Area of South Dakota, Volume 1 (open access)

Aerial Gamma Ray and Magnetic Survey, Final Repot: Nemo Detail Area of South Dakota, Volume 1

The following report is the first volume documenting the high sensitivity airborne radiometric and magnetic data taken during the month of April, 1980, by EG&G geoMetrics in the western areas of South Dakota. This volume contains survey description, specifications, data processing methods, interpretation methods, and regional geologic review.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library
Aerial Gamma Ray and Magnetic Survey, Final Repot: Nemo Detail Area of South Dakota, Volume 2 (open access)

Aerial Gamma Ray and Magnetic Survey, Final Repot: Nemo Detail Area of South Dakota, Volume 2

This report is one part of the second volume containing data on the Nemo Detail area in South Dakota. This volume contains the detailed geologic summary, interpretation report, standard deviation maps, pseudo-contour maps, interpretation map, flight line and geologic base map, individual corrected profiles, computer map unit histograms and statistical tables.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Report
System: The UNT Digital Library

[Nemo Detail Area: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Nemo Detail Area in South Dakota.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Dataset
System: The UNT Digital Library

[Nemo Detail Area: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Nemo Detail Area in South Dakota.
Date: April 1980
Creator: EG & G GeoMetrics
Object Type: Dataset
System: The UNT Digital Library
Aerial Gamma-Ray and Magnetic Survey, Final Report. Volume 1: Newcastle and Gillette Quadrangles (Wyoming/South Dakota) and Ekalaka Quadrangle (Montana, South and North Dakota) (open access)

Aerial Gamma-Ray and Magnetic Survey, Final Report. Volume 1: Newcastle and Gillette Quadrangles (Wyoming/South Dakota) and Ekalaka Quadrangle (Montana, South and North Dakota)

The following report is the first in a series of volumes presenting data recorded during the months of August and September, 1978, from a radiometric and magnetic survey taken in four quadrangles between eastern Wyoming, North and South Dakota, and southern Montana (Newcastle, Gillette and Ekalaka).
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Report
System: The UNT Digital Library

[Ekalaka Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Ekalaka quadrangle in Montana, North Dakota, and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library

[Ekalaka Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Ekalaka quadrangle in Montana, North Dakota, and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library

[Gillette Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Gillette quadrangle in Wyoming and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library

[Gillette Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Gillette quadrangle in Wyoming and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library

[Newcastle Quadrangle: Average Record Data Listings]

Average record data listings taken during aerial gamma-ray and magnetic surveys of the Newcastle quadrangle in Wyoming and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library

[Newcastle Quadrangle: Single Record Data Listings]

Single record data listings taken during aerial gamma-ray and magnetic surveys of the Newcastle quadrangle in Wyoming and South Dakota.
Date: April 1979
Creator: GeoMetrics, Inc.
Object Type: Dataset
System: The UNT Digital Library
[Letter from T. N. Hayter to C. C. Cox, April 19th, 1920] (open access)

[Letter from T. N. Hayter to C. C. Cox, April 19th, 1920]

Letter from T. N. Hayter to C. C. Cox discussing a land survey. The envelope is included.
Date: April 19, 1920
Creator: Hayter, T. N.
Object Type: Letter
System: The Portal to Texas History

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix A-1: Uranium Occurrences

Discussing uranium occurrences in the Rapid City Quadrangle
Date: April 1982
Creator: Milton, Eric J.
Object Type: Dataset
System: The UNT Digital Library

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix A-2: Reported Uranium Occurrences Not Visited

Discussing reported uranium occurrences not visited in the Rapid City Quadrangle
Date: April 1982
Creator: Milton, Eric J.
Object Type: Dataset
System: The UNT Digital Library
National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix B-2: Petrographic Reports (open access)

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix B-2: Petrographic Reports

Discussing petrographic reports on samples in the Rapid City Quadrangle
Date: April 1982
Creator: Milton, Eric J.
Object Type: Report
System: The UNT Digital Library
National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix C: Uranium-Occurence Report (open access)

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix C: Uranium-Occurence Report

Discussing occurrences of uranium in the Rapid City
Date: April 1982
Creator: Milton, Eric J.
Object Type: Report
System: The UNT Digital Library

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix D-1: Test Wells

Discussing test wells for the Rapid City Quadrangle
Date: April 1982
Creator: Milton, Eric J.
Object Type: Dataset
System: The UNT Digital Library

National Uranium Resource Evaluation: Rapid City Quadrangle, South Dakota: Appendix E: Uranium Anomalies in the Inyan Kara Group

Discussing uranium anomalies in the Inyan Kara Group, in the Rapid City Quadrangle
Date: April 1982
Creator: Milton, Eric J.
Object Type: Dataset
System: The UNT Digital Library