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Articles 61 - 90 of 121

Full-Text Articles in Environmental Indicators and Impact Assessment

Epa Superfund Record Of Decision: Kennecott South Zone Site, Environmental Protection Agency Nov 1998

Epa Superfund Record Of Decision: Kennecott South Zone Site, Environmental Protection Agency

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

This decision document presents the selected remedial action (no action) for the Bingham Creek, Large Bingham Reservoir, Anaconda/ ARCO/Copperton Tailings, Copperton Soils, portions of Bingham Canyon Historic Facilities and Bastian Sink Operable Units of the Kennecott South Zone located in Salt Lake County, which was chosen in accordance with CERCLA, as amended by SARA, and, to the extent practicable, the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This decision is based on the administrative record for this site.

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Record Of Decision For An Interim Remedial Action At The Monticello Mill Tailings Site, Operable Unit Iii - Surface Water And Ground Water, Monticello, Utah, U.S. Department Of Energy, Grand Junction Office Aug 1998

Record Of Decision For An Interim Remedial Action At The Monticello Mill Tailings Site, Operable Unit Iii - Surface Water And Ground Water, Monticello, Utah, U.S. Department Of Energy, Grand Junction Office

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

This decision document presents the selected interim remedial action for Operable Unit (OU) Ill surface water and ground water at the Monticello Mill Tailings Site (MMTS) in San Juan County, Utah. The selected interim remedial action was chosen in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act as amended by the Superfund Amendments and Reauthorization Act of 1986 and, to the extent practicable, with the National Oil and Hazardous Substances Pollution Contingency Plan (NGP). This decision is based on the administrative record for this site. The State of Utah concurs with the selected interim action. The selected alternative …

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Inventory Of Sensitive Species And Ecosystems In Utah, Endemic And Rare Plants Of Utah: An Overview Of Their Distribution And Status, Utah Division Of Wildlife Resources Jun 1998

Inventory Of Sensitive Species And Ecosystems In Utah, Endemic And Rare Plants Of Utah: An Overview Of Their Distribution And Status, Utah Division Of Wildlife Resources

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

The Utah Division of Wildlife Resources (UDWR), under an agreement with the U.S. Department of the Interior, began work in March 1994 to develop a study plan for a statewide inventory of sensitive species and ecosystems. Activities enumerated in the plan include (1) completing a literature review for vertebrate, invertebrate, and plant species, (2) conducting field studies on sensitive species identified in the plan, and (3) using information obtained from the literature review and field studies to enhance UDWR's central database. UDWR's study plan was approved by the Utah Reclamation Mitigation and Conservation Commission (Mitigation Commission) in February 1995, and …

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A Management-Oriented Classification Of Pinyon-Juniper Woodlands Of The Great Basin, Neil E. West, Robin J. Tausch, Paul T. Tueller, United States Department Of Agriculture, Forest Service, Rocky Mountain Research Station Jun 1998

A Management-Oriented Classification Of Pinyon-Juniper Woodlands Of The Great Basin, Neil E. West, Robin J. Tausch, Paul T. Tueller, United States Department Of Agriculture, Forest Service, Rocky Mountain Research Station

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

Pinyon-juniper woodlands occupy about 18 percent (7.1 million ha, 17.6 million acres) of the land area of the Great Basin (Tueller and others 1979). The associated tree species are found over a wide range of environmental conditions extending from communities representative of the upper fringes of the Mohave Desert to communities found at the lower fringes of high mountain forests. Over this spatial and elevational range, communities associated with pinyon-juniper woodlands are highly variable, with complex distribution and compositional patterns. This variability is due to climatic changes occurring over the last 10,000 years and to variation in current environmental conditions …

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Epa Superfund Record Of Decision: Murray Smelter Murray City, Ut, Epa Apr 1998

Epa Superfund Record Of Decision: Murray Smelter Murray City, Ut, Epa

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

The Murray Smelter Site ("the Site") is located in the city of Murray, Utah, in Salt Lake County as illustrated on Figure 1. The Site includes the former operational areas of the Murray Smelter and adjacent Germania Smelter which are referred to as the "on-facility" area., as well as surrounding residential and commercial areas where airborne emissions from the smelters impacted the environment or where contamination in shallow ground water may be transported in the future. These surrounding areas are referred to as the "off-facility" area. The on-facility area is approximately 142 acres. Its boundaries are 5300 South Street to …

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Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus Jan 1998

Razorback Sucker (Xyrauchen Texanus) Recovery Plan, Harold M. Tyus

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

The Colorado River of the American West supports a mainstream fish community that is classified as the “Big River” fishes. Four of these fishes are listed as endangered under provisions of the Endangered Species Act of 1973, as amended. Three fishes (i.e., Colorado pike minnow Ptychocheilus Lucius, humpback chub Gila cypha, and bonytail G. elegans) have been listed for over 10 years, and they have recovery plans that were prepared prior to designation of critical habitats. Recently the Colorado squawfish was renamed by the American Fisheries Society and hereafter will be refered to in this document as the Colorado pike …

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Rawlins Rmp Biological Assessment, Bureau Of Land Management Jan 1998

Rawlins Rmp Biological Assessment, Bureau Of Land Management

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

This Biological Assessment (BA) is prepared for the Draft Environmental Impact Statement (DEIS) that describes the comprehensive analysis of alternatives for the planning and management of public lands and resources administered by the Bureau of Land Management (BLM) in the Rawlins area of Wyoming. The public lands and federal mineral estate within the RFO Resource Management Planning Area (RMPPA) are the subject of the planning effort (DEIS) and this document. This document is a component of the BLM Draft Environmental Impact Statement Resource Management Plan (RMP) and is prepared in compliance with the National Environmental Policy Act (NEPA) which requires …

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Invasive Plants: Changing The Landscape Of America, Federal Interagency Committee For The Management Of Noxious And Exotic Weeds, Randy G. Westbrooks Jan 1998

Invasive Plants: Changing The Landscape Of America, Federal Interagency Committee For The Management Of Noxious And Exotic Weeds, Randy G. Westbrooks

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

In the 1950s, the American public became aware that certain chemicals endanger human health and the environment. In response to this threat, new rules and regulations regarding chemical manufacture, use, and disposal were developed under state and federal law. Today, the public has a much better understanding of the chemical pollution problem and generally supports management efforts. The 1990s have brought us face to face with another serious environmental threat: The invasion of the American landscape by aggressive nonnative plants. While farmers have always fought a battle with weeds in crops, invasion of these and other formerly weed-free lands has …

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Wildfire Case Study: Butte City Fire, Southeastern Idaho, July 1, 1994, Bret W. Butler, Timothy D. Reynolds, United States Department Of Agriculture, Forest Service, Intermountain Research Station May 1997

Wildfire Case Study: Butte City Fire, Southeastern Idaho, July 1, 1994, Bret W. Butler, Timothy D. Reynolds, United States Department Of Agriculture, Forest Service, Intermountain Research Station

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

The Butte City Fire occurred on July 1, 1994, west of Idaho Falls, ID. Ignited from a burning flat tire, the blaze was driven by high winds that caused it to cover over 20,500 acres in just over 6.5 hours. Sagebrush (Artemisia tridentata ssp. wyomingensis) is the principal shrub species of this high dese~t rangeland. With the absence of vegetation after the fire, erosion increased tremendously. Because the fire occurred on the Idaho National Engineering Laboratory, researchers were able to gather weather information from remote meteorological stations positioned on and around the site.

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Federal Land Management: Authorized Uses In The Grand Staircase-Escalante National Monument, General Accounting Office, Barry T. Hill Jan 1997

Federal Land Management: Authorized Uses In The Grand Staircase-Escalante National Monument, General Accounting Office, Barry T. Hill

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

On September 18, 1996, President Clinton designated about 1.7 million acres of federal land in southern Utah as the Grand Staircase-Escalante National Monument. The monument, which covers an area larger than the State of Delaware, is administered by the Department of the Interior's Bureau of Land Management (ELM). Within this land area, mineral leases, grazing allotments, and other land-use authorizations remain valid despite the area's designation as a national monument. To respond to interest in the extent to which these authorized uses exist, we obtained information on the number of mineral leases, grazing permits, and other use authorizations for BLM-managed …

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Hill Air Force Base, Utah, Final Record Of Decision And Responsiveness Summary For Operable Unit 2, Ogden Alc Jan 1997

Hill Air Force Base, Utah, Final Record Of Decision And Responsiveness Summary For Operable Unit 2, Ogden Alc

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

This decision document presents the selected remedy for Operable Unit 2 (OU2) at Hill Air Force Base (HAFB), Utah. It was selected in accordance with the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA), as amended by the Superfund Amendments and Reauthorization Act of 1986 (SARA), and to the extent practicable, the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This decision is based on the Administrative Record for this site. The State of Utah and the U.s. Environmental Protection Agency (EPA) concur with the selected remedy.

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Development Of Constructed Wetlands For The Reuse Of Wastewat R In Semi-Arid Regions, Byung J. Kim, Sherwood C. Reed, Thomas Andrew, Patrick D. Sullivan, U.S. Army Corps Of Engineers Jan 1997

Development Of Constructed Wetlands For The Reuse Of Wastewat R In Semi-Arid Regions, Byung J. Kim, Sherwood C. Reed, Thomas Andrew, Patrick D. Sullivan, U.S. Army Corps Of Engineers

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

Hill Air Force Base (AFB), UT, is responsible for the operation and maintenance of the Utah Test and Training Range (UTTR). The range contains waste-water treatment and disposal facilities that consist of two infiltration ponds operated in parallel, followed by an emergency overflow basin that safeguards against unexpectedly high flow rates. A previous evaluation concluded that the existing facilities should be replaced, at a relatively high cost and with no possibility for beneficial water reuse. The U.S. Army Construction Engineering Research Laboratories (USACERL) was requested to further evaluate the system and to identify cost-effective, feasible alternatives. USACERL researchers identified a …

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Final Environmental Impact Statement For Management Of The High Uinta Wilderness, Usda Forest Service Jan 1997

Final Environmental Impact Statement For Management Of The High Uinta Wilderness, Usda Forest Service

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

The Final Environmental Impact Statement analyzes four alternatives to amend the Ashley and Wasatch-Cache National Forest Land and Resource Management Plan (Forest Plan) to include Desired Future Condition for mapped Condition Classes with accompanying indicators and standards for the High Uintas Wilderness. The No Action Alternative is analyzed in depth also. Significant issues considered include effects of human overuse on ecosystem components, the extent visitor experience is impacted by rules and regulations, the extent visitor solitude is impacted by other users, structures, and resource impacts, the extent trails meet wilderness objectives, the threat of human and animal waste to water …

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Sharing Common Ground On Western Rangelands: Proceedings Of A Livestock/Big Game Symposium, Keith E. Evans, Intermountain Research Station, Usdsa Forest Service, U.S. Department Of Commerce, United States Department Of Agriculture, Forest Service Sep 1996

Sharing Common Ground On Western Rangelands: Proceedings Of A Livestock/Big Game Symposium, Keith E. Evans, Intermountain Research Station, Usdsa Forest Service, U.S. Department Of Commerce, United States Department Of Agriculture, Forest Service

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

This proceedings includes 37 papers and posters presented at the "Sharing Common Ground" symposium. The information represents the progress made in livestock/big game management since the 1991 symposium with the theme of "Seeking Common Ground." The broad range of topics includes the rangeland resource, the science of livestock/big game interactions, the human dimension, and the success stories from the seeking common ground partnership demonstration projects.

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Enhanced Planning Review Of The Salt Lake And Ogden Metropolitan Area, Melissa M. Laube, William Lyons, Robert Dial, D. Tilly Chang, U.S. Department Of Transportation, U.S. Department Of Commerce, Volpe National Transportation Systems Center Apr 1996

Enhanced Planning Review Of The Salt Lake And Ogden Metropolitan Area, Melissa M. Laube, William Lyons, Robert Dial, D. Tilly Chang, U.S. Department Of Transportation, U.S. Department Of Commerce, Volpe National Transportation Systems Center

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

ISTEA significantly changed the law governing metropolitan transportation planning. In response to the changes introduced by ISTEA, FHWA and FTA issued revised planning regulations on October 28, 1993, setting new requirements for the transportation planning processes. The requirements are presented in 23 CFR Part 450 and 49 CFR Part 613, Statewide and Metropolitan Planning Final Rule. The Clean Air Act Amendments of 1990 (CAAA) also imposed rigorous new transportation planning requirements in metropolitan areas, particularly those that are designated nonattainment or maintenance areas for air quality. In support of the implementation of the revised regulations, FHW A and FTA jointly …

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Dutch Experience In Irrigation Water Management Modelling, B J. Van Den Broek Jan 1996

Dutch Experience In Irrigation Water Management Modelling, B J. Van Den Broek

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

Modeling the soil-water-crop atmosphere system to improve agricultural water management in arid zones (SWATRE); Groundwater approach to drainage design in irrigated agriculture (SGMP); Computer Program for flume and weir design (FLUME 3.0); A hydrodynamic model in the design of operational controllers for water systems (MODIS/MATLAB); Decision support simulation model for water management at a regional and national scale (SIWARE); Management of water delivery systems (RIBASIM/OMIS); A water allocation, scheduling, and monitoring program (WASAM); and Irrigation agencies, farmers and computational decision support tools.

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County, Colorado, Prowers County, Colorado Watershed Plan And Environmental Assessment, Bent Soil Conservation District, Natural Resources Conservation Service Jan 1996

County, Colorado, Prowers County, Colorado Watershed Plan And Environmental Assessment, Bent Soil Conservation District, Natural Resources Conservation Service

Environmental Assessments (NV)

No abstract provided.

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Passageway Around The Redlands Diversion Dam And Interim Agreement To Provide Water For Endangered Fish, Bureau Of Reclamation, Fish And Wildlife Service, U.S. Department Of The Interior Feb 1995

Passageway Around The Redlands Diversion Dam And Interim Agreement To Provide Water For Endangered Fish, Bureau Of Reclamation, Fish And Wildlife Service, U.S. Department Of The Interior

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

This draft environmental assessment (EA) discusses two related actions proposed to assist in the recovery of two Federally-listed endangered fish species. The actions are intended to restore use of historic and designated critical habitat of the Gunnison River by the Colorado squawfish and razorback sucker. The proposed actions are to: construct and operate a fish passageway around the Redlands Diversion Dam; and execute an interim (short-term) memorandum of agreement (water agreement) to supply streamflows needed to operate the passageway and maintain downstream fish habitat and access for fish to the passageway. The EA is prepared jointly by the Bureau of …

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1995 Statewide Long Range Transportation Plan, Udot Program Development Jan 1995

1995 Statewide Long Range Transportation Plan, Udot Program Development

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

The Statewide Transportation Planning Process for highway transportation builds upon the planning processes previously used by UDOT. The previous planning process developed a three-tier list of capacity and system improvement projects from public and UDOT staff participation. Projects were ranked according to need into three priorities. Priority One projects were those needed within five years. Priority Two projects were needed in five to ten years, and Priority Three projects were those projects needed in ten to twenty years. The Statewide Transportation Planning Process uses data collected from a series of Management Systems, corridor inventories, and other special studies combined with …

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Long-Term Flow Test #1, Roosevelt Hot Springs, Utah, D. D. Faulder Jan 1994

Long-Term Flow Test #1, Roosevelt Hot Springs, Utah, D. D. Faulder

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

The Roosevelt Hot Springs, Utah geothermal field has been the site of numerous investigations into the behavior of a geothermal system. However, a detailed description of the reservoir is lacking. This paper presents the results of the 237 day Long-Term Flow Test #1, conducted in 1977 and 1978, followed by a 100 day pressure buildup. The responses from one production well and three pressure observation wells, ranging 600 to 12,000 feet from the production well, were used. This study illustrates the utility of a reevaluation of a geothermal system using old, pre-exploitation data and is part of an ongoing case …

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Record Of Decision Utah Power & Light/American Barrel Site Salt Lake City, Utah, United States Environmental Protection Agency Jul 1993

Record Of Decision Utah Power & Light/American Barrel Site Salt Lake City, Utah, United States Environmental Protection Agency

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

This decision document presents the selected remedial action for the Utah Power & Light American Barrel Site in Salt Lake City, Utah, which was chosen in accordance with the requirements of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), as amended by Superfund Amendments and Reauthorization Act of 1986 (SARA), and, to the extent practicable, the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). This decision is based on the administrative record for this site. The Utah Department of Environmental Quality concurs with the remedy selected by the U.S. Environmental Protection Agency (EPA).

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Preliminary Public Health Assessment: Petrochem Recycling Corporation/Ekotek Salt Lake City, Salt Lake County, Utah, Agency For Toxic Substances And Disease Registry, Divisoin Of Health Assessment And Consultation Apr 1993

Preliminary Public Health Assessment: Petrochem Recycling Corporation/Ekotek Salt Lake City, Salt Lake County, Utah, Agency For Toxic Substances And Disease Registry, Divisoin Of Health Assessment And Consultation

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

The Petrochem/EkoTek site was operated by several owners as a refinery from 1953 until 1978 and as a hazardous waste storage treatment facility and a petroleum recycling facility from 1978 through 1988. Removal of essentially all petroleum products and hazardous wastes in tanks and drums was accomplished from 1988 - 1991. The process that will lead to the complete clean-up of the facility is ongoing. The site was added to the National Priorities List (NPL) in October 1992. Exposure of humans to contaminants in soil and air is thought to have occurred near Petrochem. The source(s) of those contaminants in …

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Problem Analysis For The Vegetation Diversity Project, David A. Pyke, Michael M. Borman, U.S. Department Of The Interior, Bureau Of Land Management Feb 1993

Problem Analysis For The Vegetation Diversity Project, David A. Pyke, Michael M. Borman, U.S. Department Of The Interior, Bureau Of Land Management

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

Management of the majority of public rangeland in the Great Basin and Columbia-Snake River Plateau falls under the authority of the Bureau of Land Management. The flora of this land ranges from highly diverse native plant communities to deteriorated lands dominated by exotic annuals. Approximately nine percent of the BLM’s 78 million acres of public land in this region is degraded to such a degree that changes in land management alone will not result in significant improvement. The BLM intends to restore native plant communities on these deteriorated lands, but current revegetation techniques used to establish introduced perennial grasses are …

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Canyonlands National Park And Orange Cliffs Unit Of Glen Canyon National Recreation Area Environmental Assessment For Backcountry Management Plan, National Park Service Jan 1993

Canyonlands National Park And Orange Cliffs Unit Of Glen Canyon National Recreation Area Environmental Assessment For Backcountry Management Plan, National Park Service

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

Whether on foot, bicycle, horseback, or in vehicles, most visitors come to Canyonlands National Park (Canyonlands) to experience solitude or to "get away from people." Yet visitation to Canyonlands has risen exponentially over the past five years (Figures 1 and 2). Visitation is expected to continue to rise. As a function of this increase in number of visitors, adverse impacts to Canyonlands' resources have increased and the visitors' ability to find solitude has decreased. Since the mandate of the National Park Service (NPS) is to balance visitor access to the parks with preservation and protection of natural and cultural resources, …

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Archeological Investigations At Two Sites In Dinosaur National Monument: 42un1724 And 5mf2645, James A. Truesdale, National Park Service Jan 1993

Archeological Investigations At Two Sites In Dinosaur National Monument: 42un1724 And 5mf2645, James A. Truesdale, National Park Service

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

Archeological excavations in Dinosaur National Monument (DINO) were conducted at 5MF2645 (the Pool Creek Site) in 1988 and 42UN1724 (Juniper Ledge Shelter) in 1989. The information from these two sites, along with archeological data obtained between 1988 and 1992, have expanded our knowledge of the past 3700 years of human occupation in the DINO area. Juniper Ledge Shelter is a south-southeast facing rockshelter in the Jones Hole Ely Creek area of the monument. Excavation of a two meter square unit produced evidence of three occupational components and a Fremont burial of an adult female with associated artifacts. The upper two …

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Mapping Instream Habitat On The San Juan River Using Airborne Videography, Michael J. Pucherelli, William P. Goettlicher, Bureau Of Reclamation, U.S Department Of The Interior Nov 1992

Mapping Instream Habitat On The San Juan River Using Airborne Videography, Michael J. Pucherelli, William P. Goettlicher, Bureau Of Reclamation, U.S Department Of The Interior

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

Concerns have been raised over the potential impacts of the Animas/LaPlata project and the regulation of Navajo Dam. Flow depletions in the San Juan River may adversely affect the remnant population of the native fish, particularly the endangered Colorado squawfish and the razorback sucker. A multiyear research program is currently being conducted on the San Juan River as a result of a Jeopardy Opinion delivered by the U.S. Fish and Wildlife Service on Animas/LaPlata and the subsequent Reasonable and Prudent Alternative that was accepted. A mulidisciplinary research team composed of representatives from the affected agencies is currently investigating the relationship …

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Selected Hydrologic Data For Cache Valley, Utah And Idaho, 1969-91, D. Michael Roark, Karen M. Hanson, U.S. Geological Survey Jan 1992

Selected Hydrologic Data For Cache Valley, Utah And Idaho, 1969-91, D. Michael Roark, Karen M. Hanson, U.S. Geological Survey

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

This report contains hydrologic data collected in Cache Valley from 1969 to 1991. The report area is in north-central Utah and southeast Idaho, within the Basin and Range physiographic province described by Fenneman (1931), and includes about 660 square miles. Most of the data in this report were collected by the U.S. Geological Survey in cooperation with the Utah Department of Natural Resources, Divisions or Water Resources and Water Rights. Some of the data collected before 1969 were previously published by McGreevy and Bjorklund (1970). The purpose of this report is to provide hydrologic data for use by the general …

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The Feasibility Of Enhacing Streamflow In The Sevier River Basin Of Utah By Seeding Winter Mountain Clouds, Arlin B. Super, David W. Reynolds, Bureau Of Reclamation, U.S. Department Of The Interior Dec 1991

The Feasibility Of Enhacing Streamflow In The Sevier River Basin Of Utah By Seeding Winter Mountain Clouds, Arlin B. Super, David W. Reynolds, Bureau Of Reclamation, U.S. Department Of The Interior

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

The Bureau of Reclamation conducted a feasibility study of seeding winter mountain clouds as a possible means of enhancing the water supplies of the Sevier River Basin of Utah. A considerable body of pertinent meteorological observations from in or near the basin is examined. The evidence indicates that Utah winter mountain clouds often have more supercooled liquid water available than is naturally converted to snowfall. Thus, the needed "raw material" for cloud seeding to be effective is frequently available. Much of the excess liquid water has been found in the lowest kilometer or less over the mountain barriers, a region …

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Beyond The Wasatch: The History Of Irrigation In The Uinta Basin And Upper Provo River Area Of Utah, Gregory D. Kendrick, Charles S. Peterson, National Park Service, Bureau Of Reclamation Jan 1991

Beyond The Wasatch: The History Of Irrigation In The Uinta Basin And Upper Provo River Area Of Utah, Gregory D. Kendrick, Charles S. Peterson, National Park Service, Bureau Of Reclamation

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

This book deals with the development of water resources Water, of course, has been one of the great factors tn the growth of the American West . Beyond the Wasatch details the process by which water flowing from the southwest drainages of northern Utah's Uinta Mountains was put to human use. The story belongs primarily to the first half of the 20th century, although parts of it extend to both earlier and later times. The water involved rises within the State of Utah, and its utilization had implications mainly for Utah. Development involved native Americans and the settlement of a …

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Superfund Record Of Decision: Monticello Mill Tailings (Doe), Ut First Remedial Action, U.S. Environmental Protection Agency, Office Of Emergency And Remedial Response Aug 1990

Superfund Record Of Decision: Monticello Mill Tailings (Doe), Ut First Remedial Action, U.S. Environmental Protection Agency, Office Of Emergency And Remedial Response

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

The 300-acre Monticello Mill Tailings site is comprised of a 7S-acre inactive uranium and vanadium milling operation and affected peripheral properties in Monticello, San Juan County, Utah. Surrounding land use is rural residential and agricultural. The site overlies a shallow alluvial aquifer, and part of the site lies within the floodplain of Montezuma Creek. Approximately IS-acres of wetlands adjacent to Montezuma Creek also have been contaminated by tailings. In 1940, the site was operated as a vanadium ore-buying station. Milling of ore began in 1942, and a vanadium/uranium sludge product was produced onsite from 1943 to 1944. Onsite uranium milling …

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