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Technical Letter: Astrogeology-11 Apollo Applications Program Investigations Field Test 3 Technical Letter: Astrogeology-11 Apollo Applications Program Investigations Field Test 3
Apollo Applications Program (AAP) Test 3 was held in Flagstaff, Arizona, as an initial feasibility study of rock thin-section preparation and remote television monitoring of the microscopic image, for possible use on AAP missions. During the 18 hours of actual test operations 38 thin sections were prepared. Of these, 25 were examined with a petrographic microscope with a television link...
Technical Letter: Astrogeology-12, Time and Motions Required to Perform an Active Seismic Experiment Proposed for the First Apollo Landing Technical Letter: Astrogeology-12, Time and Motions Required to Perform an Active Seismic Experiment Proposed for the First Apollo Landing
At the suggestion of the Planetology Subcommittee of the Space Sciences Steering Committee, an active engineering seismic experiment originally proposed by J. S. Watkins, J. Cl. De Bremaecker, and M. F. Kane was incorporated into the Early Apollo Active Seismic Experiment originally proposed by R. L. Kovach . J. S. Watkins was made co-experimenter for the Early Apollo Active Seismic...
Technical Letter: Astrogeology-3 Preliminary Scientific Mission Profiles For The First Seven Apollo Missions Technical Letter: Astrogeology-3 Preliminary Scientific Mission Profiles For The First Seven Apollo Missions
The National Aeronautics and Space Administration plans to land two astronauts on the Moon as a part of the Apollo Space Program. The questions arise: What should the astronauts do on the surface and what information should they gather? This report proposes answers to these questions by describing a possible series of scientific activities, or mission profiles, to be performed by the...
Technical Letter: Astrogeology-8 Apollo Extension Systems Field Test I Technical Letter: Astrogeology-8 Apollo Extension Systems Field Test I
A field test held in the Hopi Buttes, Arizona, was planned to test geological, geophysical, and analytical operations and instruments that are of potential use in Apollo Extension Systems lunar surface missions. The test was conducted under "shirt-sleeve" conditions, but potentially useful methods of recording and compiling information during lunar exploration were employed. The test...
Technical Letter: Astrogeology-9 Early Apollo Investigations Field Test 5 Technical Letter: Astrogeology-9 Early Apollo Investigations Field Test 5
When the Apollo astronauts land on the Moon, their precise location will not be known. The real-time geologic mapping planned for the first mission could best be done if the exact position of the landing site were determined. The astronauts may have to find their position, with or without assistance from the Earth-based scientific mission center, before leaving the Lunar Module (LM), and...
Technical Letter: NTS-79 Guidebook For Field Trips To The Nevada Test Site Technical Letter: NTS-79 Guidebook For Field Trips To The Nevada Test Site
In several respects the Nevada Test Site is located in an area that is especially interesting geologically. It lies along the projected trend of the Walker Lane and the Las Vegas Valley Shear Zone (Locke and others, 1940; Longwell, 1960), one of the major crustal features of the Basin-Range province. The shear zone itself, however, may not continue through the Test Site in a simple way...
Telemetry evaluation of invasive carp herding in Jonathan Creek Embayment, Kentucky Lake, Kentucky Telemetry evaluation of invasive carp herding in Jonathan Creek Embayment, Kentucky Lake, Kentucky
Data tables represents a telemetry study assessing the efficacy of sound and electricity used to herd Silver Carp (Hypophthalmichthys molitrix). The study occurred in Jonathan Creek Embayment of Kentucky Lake, Kentucky using 10 telemetered Silver Carp and 46 passive acoustic receivers. Two herding boats traveled at 2.22 meters per second along bank-to-bank transects through the study...
Temperature data collected from the Lower Yakima River from October 2018 to October 2020 Temperature data collected from the Lower Yakima River from October 2018 to October 2020
A total of 27 temperature sensors were deployed along the lower 90 miles of the Yakima River at 7 locations where cold water had been previously observed. These 7 cold-water areas had 3 to 6 temperature sensors installed to document the extent and duration of these cold-water areas and their impacts on mainstem temperatures of the Lower Yakima River. Cold-water areas included the mouths...
Temperatures of black-tailed prairie dog burrows through the U.S. Great Plains Temperatures of black-tailed prairie dog burrows through the U.S. Great Plains
This data is measurements of the temperature inside prairie dog burrows. The data were recorded every half hour during May, June, and August of 2016 and 2017 in New Mexico, Colorado, South Dakota, North Dakota, and Montana.
Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption Tephra geochemistry of the Ibex Hollow Tuff, a 12-Ma super-eruption
These tables contain geochemical data collected for tephra samples either correlated with or in the same type section with the Ibex Hollow Tuff. Most samples were collected by Andrei Sarna-Wojcicki and Mike Perkins, but some were submitted to the U.S. Geological Survey Tephrochronology Project for analysis by other persons. Electron microprobe analysis (EMA) was performed at the U.S...
Terrestrial Invertebrate Diversity and Occurrence in Restored Hardwood Forest Floodplains, Indiana, United States, June – August 2016 Terrestrial Invertebrate Diversity and Occurrence in Restored Hardwood Forest Floodplains, Indiana, United States, June – August 2016
To determine the progress of restoration, insect populations were sampled at four mitigation sites using walking butterfly transects and Malaise/pitfall insect traps. The data consists of date, time, type and placement of traps, as well as number and order of species found.
Terrestrial LiDAR Point Clouds and Channel Morphology Assessments along Midway Branch in Fort Meade, Maryland, for 2020-2022 Terrestrial LiDAR Point Clouds and Channel Morphology Assessments along Midway Branch in Fort Meade, Maryland, for 2020-2022
This metadata record documents six LiDAR point clouds, six point cloud generation reports, and three comma-delimited tables that contain information on local channel morphology and topography for a select number of reaches along Midway Branch and its associated tributaries within the confines of Fort George G. Meade, Fort Meade, Maryland. Point cloud generation reports include diagnostic