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Full-Text Articles in Physical Sciences and Mathematics

Environmental Assessment Wild Horse Gathering For The Fifteenmile Wild Horse Herd Management Area, United States Bureau Of Land Management Jan 2000

Environmental Assessment Wild Horse Gathering For The Fifteenmile Wild Horse Herd Management Area, United States Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

The purpose for management of wild, free roaming horses is to comply with law and policy pertaining to wild, free roaming horses on public lands. The policy of the BLM addresses a range of topics including establishment and maintenance of Appropriate Management Levels (AMLs) in Herd Managment Areas (HMAs) in a humane, safe, efficient, and environmentally sound manner.


Surficial Geologic Map Of The Oak City Area, Millard County, Utah, United States Geological Survey Jan 1991

Surficial Geologic Map Of The Oak City Area, Millard County, Utah, United States Geological Survey

All U.S. Government Documents (Utah Regional Depository)

This map is preliminary and has not been reviewed for conformity with U.S. Geological Survey editorial standards and stratigraphic nomenclature.


Wyoming Statewide Wilderness Study Report, Wilderness Study Area Specific Recommendations, Volume Ii, United States Bureau Of Land Management Jan 1991

Wyoming Statewide Wilderness Study Report, Wilderness Study Area Specific Recommendations, Volume Ii, United States Bureau Of Land Management

All U.S. Government Documents (Utah Regional Depository)

The WSA was studied under section 603 of the Federal Land Policy and Management Act of 1976 (FLPMA) and was included in the Grass Creek/Cody Wilderness Environmental Impact Statement (EIS) filed in August 1990. There were two alternatives analyzed in the EIS, No Wilderness and All Wilderness. The All Wilderness Alternative is the recommendation of this report.


Ground-Water Reconnaissance Of The Central Weber River Area, Morgan And Summit Counties, Utah, United States Geological Survey Jan 1982

Ground-Water Reconnaissance Of The Central Weber River Area, Morgan And Summit Counties, Utah, United States Geological Survey

All U.S. Government Documents (Utah Regional Depository)

A reconnaissance of ground water in the central Weber River area obtained data to help State administrators devise a policy for acting on applications to appropriate ground water resulting from recent and future influxes of residents.


Use Of Multispectral Scanner Images For Assessment Of Hydrothermal Alteration In The Marysvale, Utah, Mining Area, United States Geological Survey Jan 1982

Use Of Multispectral Scanner Images For Assessment Of Hydrothermal Alteration In The Marysvale, Utah, Mining Area, United States Geological Survey

All U.S. Government Documents (Utah Regional Depository)

Multispectral images of an area near Marysvale, Utah, were collected by using the airborne U.S. National Aeronautics and Space Administration (NASA) 24-channel Bendix multispectral scanner; they were analyzed to define areas of hydrothermally altered, potentially mineralized rocks. Hydrothermally altered rocks, particularly volcanic rocks affected by solutions rich in sulfuric acid, are commonly characterized by concentrations of argillic minerals such as alunite and kaolinite. These minerals are important for identifying hydrothermally altered rocks in multispectral images because they have an intense absorption band centered near a wavelength of 2.2 um. Unaltered volcanic rocks commonly lack these minerals and hence do not …


Bedrock Aquifers In The Northern San Rafael Swell Area, Utah, With Special Emphasis On The Navajo Sandstone, United States Geological Survey Jan 1982

Bedrock Aquifers In The Northern San Rafael Swell Area, Utah, With Special Emphasis On The Navajo Sandstone, United States Geological Survey

All U.S. Government Documents (Utah Regional Depository)

The northern San Rafael Swell area in southeastern Utah includes about 2,880 square miles (7,460 square kilometers) and ranges in altitude from about 3,290 to 7,921 feet (1,195 to 2,414 meters). Precipitation, the main source of water in the area, ranges from slightly less than 6 inches (152 millimeters) to slightly more than 12 inches (305 millimeters). Rocks that underlie the area range from Precambrian to Holocene in age. The thickness of sedimentary rocks ranges from 4,083 feet (1,244 meters) to about 30,000 feet (9,140 meters). The Entrada, Navajo, Wingate, and Coconino Sandstones and rocks of Mississippian age are considered …