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Historical Information H.4 Pre-Event Reports Book 1 Project Rulison: Pre
Historical Information H.4 Pre-Event Reports Book 1 Project Rulison: Pre-Shot Predictions of Structural Effects HPR .2 DISCLAIMER Portions of this document may be illegible in electronic image products. Images are produced from the best available original document. PROJECT RULISON: Pre - Shot Predictions of Structural Effects John A. -~lume& Associates Research Division San ~rancisco,California March 1969 Prepared under Contract AT(26-1)-99 for the Nevada Operations Office, USAEC This page intentionally left blank PROJECT RULISON: PRE-SHOT PREDICTIONS OF STRUCTURAL EFFECTS CONTENTS -Page ABSTRACT ......................../'. .... i i I SUMMARY ............................ v INTRODUCTION.......................... 1 SEISMICITY ........................... 2 STRUCTURAL HAZARD EVALUATION .................. 3 EARTH STRUCTURAL HAZARDS .................... 11 HYDRAULIC STRUCTURE AND WATER SUPPLY HAZARDS .......... 17 SAFETY PRECAUTIONS AND EVACUATION RECOMt4ENDATIONS ....... 22 DAMAGE COST PREDICTIONS .................... 24 CONDITION SURVEYS ....................... 26 MAP (In pocket inside back cover) This page intentionally left blank . ~ ABSTRACT This report includes results of pre-RULISON structural response investigations and a preliminary evaluation of hazards associated with ground motion effects on buildings, reservoirs, and earth structures. Total damage repair costs from an engineering judg- ment prediction are provided. Spectral Matrix Method calcula- tions are now in progress. Also included are general safety recommendations. A summary of predictions follows: Structural Response Damaging motions are probable in the region inside 25 kilometers. Structural hazards exist in Grand Valley, at the Anvil Points Research Station, and at various small ranches out to a distance of 14 ki lometers from Ground Zero (GZ) . The area is much more densely populated than would appear from initial project informa- tion. Earth Structure Hazards Rockfall and hazards to slope stability create major problems. -
The Little Colorado River Project: Is New Hydropower Development the Key to a Renewable Energy Future, Or the Vestige of a Failed Past?
COLORADO NATURAL RESOURCES, ENERGY & ENVIRONMENTAL LAW REVIEW The Little Colorado River Project: Is New Hydropower Development the Key to a Renewable Energy Future, or the Vestige oF a Failed Past? Liam Patton* Table of Contents INTRODUCTION ........................................................................................ 42 I. THE EVOLUTION OF HYDROPOWER ON THE COLORADO PLATEAU ..... 45 A. Hydropower and the Development of Pumped Storage .......... 45 B. History of Dam ConstruCtion on the Plateau ........................... 48 C. Shipping ResourCes Off the Plateau: Phoenix as an Example 50 D. Modern PoliCies for Dam and Hydropower ConstruCtion ...... 52 E. The Result of Renewed Federal Support for Dams ................. 53 II. HYDROPOWER AS AN ALLY IN THE SHIFT TO CLEAN POWER ............ 54 A. Coal Generation and the Harms of the “Big Buildup” ............ 54 B. DeCommissioning Coal and the Shift to Renewable Energy ... 55 C. The LCR ProjeCt and “Clean” Pumped Hydropower .............. 56 * J.D. Candidate, 2021, University oF Colorado Law School. This Note is adapted From a final paper written for the Advanced Natural Resources Law Seminar. Thank you to the Colorado Natural Resources, Energy & Environmental Law Review staFF For all their advice and assistance in preparing this Note For publication. An additional thanks to ProFessor KrakoFF For her teachings on the economic, environmental, and Indigenous histories of the Colorado Plateau and For her invaluable guidance throughout the writing process. I am grateFul to share my Note with the community and owe it all to my professors and classmates at Colorado Law. COLORADO NATURAL RESOURCES, ENERGY & ENVIRONMENTAL LAW REVIEW 42 Colo. Nat. Resources, Energy & Envtl. L. Rev. [Vol. 32:1 III. ENVIRONMENTAL IMPACTS OF PLATEAU HYDROPOWER ............... -
Operation of Flaming Gorge Dam Final Environmental Impact Statement
Record of Decision Operation of Flaming Gorge Dam Final Environmental Impact Statement I. Summary of Action and Background The Bureau of Reclamation (Reclamation) has completed a final environmental impact statement (EIS) on the operation of Flaming Gorge Dam. The EIS describes the potential effects of modifying the operation of Flaming Gorge Dam to assist in the recovery of four endangered fish, and their critical habitat, downstream from the dam. The four endangered fish species are Colorado pikeminnow (Ptychocheilus lucius), humpback chub (Gila cypha), razorback sucker (Xyrauchen texanus), and bonytail (Gila elegans). Reclamation would implement the proposed action by modifying the operations of Flaming Gorge Dam, to the extent possible, to achieve the flows and temperatures recommended by participants of the Upper Colorado River Endangered Fish Recovery Program (Recovery Program). Reclamation’s goal is to implement the proposed action and, at the same time, maintain and continue all authorized purposes of the Colorado River Storage Project. The purpose of the proposed action is to operate Flaming Gorge Dam to protect and assist in recovery of the populations and designated critical habitat of the four endangered fishes, while maintaining all authorized purposes of the Flaming Gorge Unit of the Colorado River Storage Project (CRSP), including those related to the development of water resources in accordance with the Colorado River Compact. As the Federal agency responsible for the operation of Flaming Gorge Dam, Reclamation was the lead agency in preparing the EIS. Eight cooperating agencies also participated in preparing this EIS: the Bureau of Indian Affairs (BIA), Bureau of Land Management, National Park Service, State of Utah Department of Natural Resources, U.S. -
PCA) Report Name Colorado River Site Code S.USCOHP*15679
Level 4 Potential Conservation Area (PCA) Report Name Colorado River Site Code S.USCOHP*15679 IDENTIFIERS Site ID 1328 Site Class PCA Site Alias Colorado River Megasite Network of Conservation Areas (NCA) NCA Site ID NCA Site Code NCA Site Name - No Data County Garfield (CO) Grand (UT) Mesa (CO) SITE DESCRIPTION Site Description This site includes the stretch of the Colorado River that extends from Rifle to the Utah border. The Colorado River riparian corridor is the most heavily developed area in Mesa County. The floodplains near the river were historically dominated by stands of Rio Grande cottonwood (Populus deltoides ssp. wislizeni) with an understory of skunkbrush (Rhus trilobata). However, development of the floodplain, agriculture, and most notably, the invasion of non-native species such as tamarisk ( Tamarix ramosissima), Russian olive (Elaeagnus angustifolia), and Russian knapweed (Acroptilon repens) have greatly reduced the amount of native riparian vegetation within this site. Extensive gravel mining operations in the river floodplain up and downstream of the City of Rifle has included the removal of cottonwood gallery forests and commensurate riparian and stream values that these forests provide. Along the immediate banks of the river and around wetlands in the floodplain, coyote willow (Salix exigua), cocklebur (Xanthium strumarium), barnyard grass (Echinochloa crus-galli), reedcanary grass (Phalaris arundinacea), common reed (Phragmites australis), cattail (Typha latifolia), hardstem bulrush (Schoenoplectus acutus), threesquare bulrush (S. pungens), alkali bulrush (S. maritimus), and redroot flatsedge (Cyperus erythrorhizos) are typically dominant. This site provides critically important habitat for endangered fish such as the razorback sucker ( Xyrauchen texanus), Colorado pikeminnow (Ptychocheilus lucius), and humpback chub (Gila cypha). -
Equity and the Colorado River Compact
TOJCI.ROBISON & KENNEY.DOC 11/26/2012 8:47 PM EQUITY AND THE COLORADO RIVER COMPACT BY JASON A. ROBISON & DOUGLAS S. KENNEY* The Colorado River and the elaborate body of laws governing its flows (Law of the River) are at a critical juncture, with a formidable imbalance between water supplies and demands prompting diverse efforts to evaluate and to think anew about Colorado River governance. One such effort is the Colorado River Governance Initiative (CRGI) at the University of Colorado Law School. Incorporating CRGI research undertaken over the past two-and-a-half years, this Article focuses on the interstate compact constituting the foundation of the Law of the River—the Colorado River Compact (Compact)—and approaches the water apportionment scheme established by this Compact as a subject of central importance in current efforts to navigate the future of the river. Lying at the base of the Compact is a commitment to equity—“equitable division and apportionment of the use of the waters of the Colorado River System”—which poses the fundamental question explored in this Article: To what extent does the Compact’s apportionment scheme fulfill this commitment to equity in its existing form? After providing an initial overview of the Compact, this Article considers the meaning of “equity” as a norm, setting the stage for a subsequent examination of water supplies and demands in the basin and of longstanding interpretive disputes involving the Compact’s key terms. This examination reveals several equity-related concerns associated with the composition of the Compact’s apportionment scheme and the governance structure devised for it. -
Colorado River Compact, 1922
Colorado River Compact, 1922 The States of Arizona, California, Colorado, Nevada, New Mexico, Utah, and Wyoming, having resolved to enter into a compact under the Act of the Congress of the United States of America approved August 19, 1921 (42 Statutes at Large, page 171), and the Acts of the Legislatures of the said States, have through their Governors appointed as their Commissioners: W.S. Norviel for the State of Arizona, W.F. McClure for the State of California, Delph E. Carpenter for the State of Colorado, J.G. Scrugham for the State of Nevada, Stephen B. Davis, Jr., for the State of New Mexico, R.E. Caldwell for the State of Utah, Frank C. Emerson for the State of Wyoming, who, after negotiations participated in by Herbert Hoover appointed by The President as the representative of the United States of America, have agreed upon the following articles: ARTICLE I The major purposes of this compact are to provide for the equitable division and apportionment of the use of the waters of the Colorado River System; to establish the relative importance of different beneficial uses of water, to promote interstate comity; to remove causes of present and future controversies; and to secure the expeditious agricultural and industrial development of the Colorado River Basin, the storage of its waters, and the protection of life and property from floods. To these ends the Colorado River Basin is divided into two Basins, and an apportionment of the use of part of the water of the Colorado River System is made to each of them with the provision that further equitable apportionments may be made. -
Grand Junction Field Office Proposed Resource Management Plan And
Appendix C Wild and Scenic Rivers Suitability Report TABLE OF CONTENTS Chapter Page EXECUTIVE SUMMARY ............................................................................................................. ES-1 1. INTRODUCTION ............................................................................................................ 1-1 1.1 Wild and Scenic Rivers Study Process ..................................................................................... 1-4 1.1.1 Eligibility Phase ................................................................................................................ 1-4 1.1.2 Suitability Phase .............................................................................................................. 1-4 2. METHODOLOGY ............................................................................................................ 2-1 2.1 Suitability Criteria Used to Evaluate River and Stream Segments .................................... 2-1 2.2 Data Sources and Methodology ................................................................................................ 2-3 2.2.1 Geographic Information Systems ............................................................................... 2-3 2.2.2 BLM Resource Interdisciplinary Team ...................................................................... 2-3 2.2.3 Informational Sources ................................................................................................... 2-4 2.2.4 Other Agencies ............................................................................................................. -
Law of the River the Colorado River Compact
Colorado River Water Users Association: Law of the River . The Colorado River Compact . As the 20th century dawned, the The Colorado River Compact vast domain of the Colorado River lay almost entirely Boulder Canyon Project Act untouched. Though there had been a few early filings for Treaty with Mexico diversion and a "grand ditch" conveying water some 16 miles across the Continental Divide Upper Colorado River Basin into eastern Colorado in the late Compact of 1948 1800s, California's Imperial Valley was among the first areas to tap the river's true potential. In early 1901, the 60 mile long Alamo Canal, Colorado River Storage Project developed by private concerns, was completed to deliver Colorado Act River water for irrigation, and a wasteland was transformed. But the Imperial Valley did not move ahead without problems. About 50 miles Grand Canyon Protection Act of the canal coursed through Mexico, leaving the valley farmers at the mercy of a foreign government. And in 1905, the river, raging with Arizona vs. California floods, eroded the opening to the canal, roared through and created the Salton Sea before the river was pushed back into its normal channel. Future of Western Water With the constant threat of flood looming along the lower Colorado, demands grew for some sort of permanent flood control work -a storage reservoir and dam on the river. And Imperial Valley farmers called for a canal totally within the United States, free of Mexican interference. By 1919, Imperial Irrigation District had won the support of the federal Bureau of Reclamation. A bureau engineering board recommended favorably on the canal and added the government "should undertake the early construction of a storage reservoir on the drainage basin of the Colorado." While this report was greeted with enthusiasm by people along the river's lower stretches, it was viewed with alarm by those in upper reaches. -
The Colorado River Compact and the San Juan–Chama Project
THE COLORADO RIVER COMPACT AND THE SAN JUAN-CHAMA PROJECT The Colorado River Compact was signed in about 840,000 acre-feet/year (afy) to New 1922. This is an agreement for dividing the Mexico. water in the Colorado River basin between the “Upper Basin states” of Wyoming, Colorado, The San Juan-Chama Project was authorized Utah and New Mexico and the “Lower Basin by Congress in 1962 to allow some of New states” of Arizona, California and Nevada. Mexico’s share to be transferred across the The demarcation line between the two basins Continental Divide into the Rio Grande Basin. was set at Lee’s Ferry in northern Arizona, Construction began in 1964, and the tunnels close to the Utah border. The upper basin were completed in 1970. The water flows states are obliged to deliver 75 million acre- from three Colorado tributaries of the San feet (maf) at Lee’s Ferry during each 10-year Juan River, itself a tributary of the Colorado. period, or an average of 7.5 maf per year. An It is channeled through 26 miles of tunnels additional 1.5 maf per year was allocated to into creeks flowing into Heron Reservoir. Mexico in 1944, pursuant to a treaty relating From the reservoir the water is released into to the use of waters of the Colorado and the Chama River. Tijuana Rivers and of the Rio Grande. The project is managed by the Bureau of In 1948, the Upper Colorado River Compact Reclamation and provides an average distributed 51.75% of the Upper Basin’s share diversion of about 110,000 afy, primarily for to Colorado, 23% to Utah, 14% to Wyoming municipal, domestic, and industrial uses, but and 11.25% to New Mexico. -
Colorado River Slideshow Title TK
The Colorado River: Lifeline of the Southwest { The Headwaters The Colorado River begins in the Rocky Mountains at elevation 10,000 feet, about 60 miles northwest of Denver in Colorado. The Path Snow melts into water, flows into the river and moves downstream. In Utah, the river meets primary tributaries, the Green River and the San Juan River, before flowing into Lake Powell and beyond. Source: Bureau of Reclamation The Path In total, the Colorado River cuts through 1,450 miles of mountains, plains and deserts to Mexico and the Gulf of California. Source: George Eastman House It was almost 1,500 years ago when humans first tapped the river. Since then, the water has been claimed, reclaimed, divided and subdivided many times. The river is the life source for seven states – Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming – as well as the Republic of Mexico. River Water Uses There are many demands for Colorado River water: • Agriculture and Livestock • Municipal and Industrial • Recreation • Fish/Wildlife and Habitat • Hydroelectricity • Tribes • Mexico Source: USGS Agriculture The Colorado River provides irrigation water to about 3.5 million acres of farmland – about 80 percent of its flows. Municipal Phoenix Denver About 15 percent of Colorado River flows provide drinking and household water to more than 30 million people. These cities include: Las Vegas and Phoenix, and cities outside the Basin – Denver, Albuquerque, Salt Lake City, Los Angeles, San Diego and Tijuana, Mexico. Recreation Source: Utah Office of Tourism Source: Emma Williams Recreation includes fishing, boating, waterskiing, camping and whitewater rafting in 22 National Wildlife Refuges, National Parks and National Recreation Areas along river. -
Birds Western Colorado
BIRDS . Ill WESTERN COLORADO by William A. Davis prepared for the Colorado Field Ornithologists CONTENTS General Topography of Western Colorado •• 1 H~it~s • • • • • • • 2 Explanation of text 6 Acknowledgements and references •••••••••••••••• ·7 BIRDS IN WESTERN COLORADO 8 through 37 Trips and Special Birds • • • • • • • 38 Black Canyon of the Gunnison National Monument ••••• 39 Colorado National Monument • • • • • • • • • • • • • • • 40 De Beque Canyon • • • 43 The Grand Mesa • • 44 Hanging Lake •• 46 Hart's Basin . o •• o ••••••••• 47 Highline Lake and Mack-Mesa Reservoir • 48 Mesa Verde National Park •••••••• 49 Rifle Gap Reservoir, Falls and Fish Hatchery ••• 50 Rock Creek Bird Nesting Area ••••• • • 51 The San Juan Mountains • • • • • 52 Sweitzer Lake 55 Black Swifts • 56 Gray Vireo, Burrowing Owls • • • • • • • •••• 56 & 57 White-tailed Ptarmigan, Rosy Finches • • 57 & 58 Empidonax Flycatchers • • • • • • • • • • • • • • • • • • 58 I Western Colorado is Colorado west of the Continental Di vide. It has an area of about 38, 000 square miles and consti tutes about one third of the state. Much of it is wild or sparse ly inhabited, and unreachable by paved roads. It is rich in num bers of species of birds, some of which are unknown in most parts of the country. Yet it is relatively unexplored ornitho logically. Bailey and Niedrach's "Birds of Colorado" has few records from the western side of the state and notes " that there has been comparatively little field work in the counties west of the Continental Divide". This booklet has two purposes. One is to present a pre liminary fi'e1d list of the birds of Western Colorado which will be increased, improved and corrected by future observers. -
Tertiary Geology and Oil-Shale Resources of the Piceance Creek Basin Between the Colorado and White Rivers Northwestern Colorado
Tertiary Geology and Oil-Shale Resources of the Piceance Creek Basin Between the Colorado and White Rivers Northwestern Colorado By JOHN R. DONNELL CONTRIBUTIONS TO ECONOMIC GEOLOGY GEOLOGICAL SURVEY BULLETIN 1082-L UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1961 UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary GEOLOGICAL SURVEY Thomas B. Nolan, Director For sale by the Superintendent of Documents, U.S. Government Printing Office Washington 25, D.C. CONTENTS Page Abstract___-_-----.__--.-_-.-_._ ............................ 835 Introduction._ __--_---_--_-__-_-----_-----___-_-------_-__.____--- 836 Location of area..._-_-_-_--__-------_-_-___-_-_-_-___-________ 836 Purpose of the investigation_____-_-___-________________________ 836 Geography .-_. ._..---_-.. ._. _____ 838 Industry..--.--_---------------------------------_-- ----'--- 838 Population......________----_-_____j^___.____ _.___._.__ 839 Accessibility ___-_-----------------_---_-_-.._-_..-.__._-_-____ 839 Previous investigations....-------_---_--_--..-----__---_-_..--- 840 Present investigation ____-_-_-_____-___-________________ _.__ 840 Acknowledgments _____________________________________________ 841 Stratigraphy. ________-_---___-_---------_____-___-_-______________ 842 Cretaceous system___________________________________________ 842 Upper Cretaceous series----------_-_-___-----_-_-_________- 842 Mesaverde group.______________ .....^................. 842 Tertiary system_______________________________________________ 843 Paleocene(?) series_--___-_-_-_-_-_-_-_-_-_______.________ 843 Ohio Creek conglomerate.______________________________ 843 Paleocene series______._---_-_-___: ___-_-_-_.____________ 844 Unnamed unit_-__--_-----_---_---_-___-______________ 844 Eocene series__ ......................................... 846 Wasatch formation. _--___-_-_-________________________ 846 Green River formation .............................iL.