Stability of Embankments, Fills and Structures at the Bad Creek Project Under Static and Dynamic Loading
Duke Power was faced with the problem of using explosives to assist in removing a sensitive, saturated embankment cofferdam supported on a large rock plug. The first phase of the work...
Rehabilitation of the Deep Creek Lake Dam
This paper presents the rehabilitation design for upgrading the Deep Creek Lake dam. The Deep Creek dam is a rock fill dam, 92 feet (28 m) high and 1290 feet (393 m) long, and constructed...
Soil Nailing Technique in Tunnel Support
Authors have developed a new pre-lining method (PASS method) in which thin archshell lining is formed ahead of the tunnel face before the excavation to reinforce the ground. This method...
Guidelines and Recommendations on Shotcrete?An International Compilation
Part of the work within the International Tunnelling Association's (ITA) working group Shotcrete Use has been to compile existing guidelines and recommendations concerning shotcrete, particularly...
Structural Character of the Ghost Dance Fault, Yucca Mountain, Nevada
Detailed structural mapping of an area that straddles the southern part of the Ghost Dance Fault has revealed the presence of several additional subparallel to anastomosing faults. These...
Resource Implications of Listing Columbia River Basin Salmon Stocks Under the Endangered Species Act
The Columbia River and Snake River dams and reservoirs provide substantial benefits in the Northwest through their operation for hydropower, flood control, irrigation, navigation, and...
Mount St. Helens Recovery Project
Work began immediately after the eruption of Mount St. Helens to restore Columbia River navigation, provide 100 year flood protection for the downstream communities located along the Cowlitz...
Operating the Columbia River: A Balancing Act
Agreements to market the Canadian share of the hydroelectric power generated at U.S. facilities as a result of the Columbia River Treaty will begin terminating in 1998. Renewal of the...
Glen Canyon: The Economic Costs
Revenues from power produced at Glen Canyon Dam are used to support Colorado River Storage Project (CRSP) purposes, to pay O&M costs, and to repay construction costs. Generation...
The Economic Value of Trout Fishery Management Programs
The contingent valuation method is used to estimate the economic value of a trout fishing day at the Cache la Poudre River in Colorado. In addition, changes in daily economic value and...
Meeting Instream Flow Needs of Lower Colorado River in Texas
The Lower Colorado River Authority (LCRA), an agency of the State of Texas, manages the surface waters of the lower Colorado River in Texas. The major water supply source in the lower...
Managing Instream Flows for Salmonid Spawning Habitat
Detrimental sediment related effects on aquatic habitat for anadromous fisheries include (1) deposition of excessive amounts of fine sediments in spawning gravels, and (2) mobilization...
Natural, Cultural, & Environmental Resource Values Influencing Colorado River Basin Management
The Colorado River Basin supplies water to the seven western states of Wyoming, Colorado, Utah, Arizona, New Mexico, Nevada, and California, and to Mexico. Originally the Colorado River...
Juanita Creek Channel Restoration?King County, Washington
Juanita Creek, a small basin near Seattle that contains anadromous fish, was experiencing degradation due to urbanization. A detention pond and channel restoration improvements were constructed...
Double Rock Park Stream Restoration Project
The Double Rock Park stream restoration is a pilot project for the Baltimore County, Maryland, Stream Restoration Program. The study assessed watershed conditions and the stream channel...
Innovative Wetland Re-creation in Urban Setting
The project site is a 106 hectare, mixed-used, commercial development east of Tampa, Florida and at the westerly limit of the town of Brandon, Florida. Delaney Creek traverses the site...
Sacramento and Trinity River Systems: A Demonstration of River Temperature Management for the 90's
Drought in Northern California resulted in the potential that summer and early fall, 1992, Sacramento and Trinity River temperatures would exceed critical levels for sustaining salmon...
Biological Modeling in the Columbia Basin: An Organized Approach to Dealing with Uncertainty
Development of the Columbia River basin has had a profound impact on its natural resources, particularly species of Pacific Salmon. Passage of the Northwest Power Act of 1980 put in motion...
Managing Snake River Operations for Juvenile Salmon Migration
A simulation model of Snake River hydrology and water management institutions has been developed. The model was used to investigate management changes to enhance flow conditions for migrating...
Columbia River System Operations ? Water Quality Assessment
In mid-1990, the U.S. Army Corps of Engineers, U.S. Bureau of Reclamation, and Bonneville Power Administration embarked on a Columbia River system operation review. Ten technical work...
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