Technology & Engineering

Groundwater quality in the approximately 3,900-square- mile (mi2) San Diego Drainages Hydrogeologic Province (hereinafter San Diego) study unit was investigated from May through July 2004 as part of...

A regional, three-dimensional, transient numerical model of groundwater flow was constructed for the Yakima River basin aquifer system to better understand the groundwater-flow system and its...

Stream temperature estimates under future climatic - ing for evaluation of effects of dam removal in the Klamath River Basin. To allow for the persistence of the Klamath River 2012 will review...

The Chokosna, Gilahina, and Lakina River basins, and the Long Lake watershed are located along McCarthy Road in Wrangell-St. Elias National Park and Preserve. The rivers and lake support a large run...

Evapotranspiration (ET) was quantified over plant communities within the Big Cypress National Preserve (BCNP) using the eddy covariance method for a period of 3 years from October 2007 to September...

Bank erosion along the Matanuska River, a braided, glacial river in southcentral Alaska, has damaged or threatened houses, roadways, and public facilities for decades. Mapping of river geomorphology...

Groundwater quality in the southern San Joaquin Valley was investigated from October 2005 through March 2006 as part of the Priority Basin Project of the Groundwater Ambient Monitoring and Assessment...

In 2007, the Ute Mountain Ute Tribe requested that the U.S. Environmental Protection Agency and U.S. Geologi- cal Survey conduct an independent evaluation of potential offsite migration of...

The Mosier area lies along the Columbia River in northwestern Wasco County between the cities of Hood River and The Dalles, Oregon. Major water uses in the area are irrigation, municipal supply for...

This report presents results from a 2009-10 assessment of the lower half of the Molalla River. The report describes the geomorphic setting and processes governing the physical layout of the river...

The Wood River Valley contains most of the population of Blaine County and the cities of Sun Valley, Ketchum, Hailey, and Bellevue. This mountain valley is underlain by the alluvial Wood River Valley...

The upper Klamath Basin encompasses about 8,000 square miles, extending from the Cascade Range east to the Basin and Range geologic province in south-central Oregon and northern California. The...

Phytoplankton blooms dominated by cyanobacteria that occur annually in hypereutrophic Upper Klamath Lake, Oregon, produce microcystins at concentrations that may contribute to the decline in...

This assessment of groundwater-quality conditions of the Columbia Plateau, Snake River Plain, and Oahu for the period 1992-2010 is part of the U.S. Geological Survey's National Water Quality...

The U.S. Geological Survey (USGS) is committed to providing the Nation with reliable scientific information that helps to enhance and protect the overall quality of life and that facilitates...

The U.S. Geological Survey (USGS), in cooperation with the U.S. Department of Energy, evaluated a three-dimensional model of groundwater flow in the fractured basalts and interbedded sediments of the...

A spatially extensive assessment of the environmental controls on mercury transport and bioaccumulation in stream ecosystems in New York and South Carolina was conducted as part of the U.S...

Nutrient pollution in the form of excess nitrogen and phosphorus inputs is a well-known cause of water-quality degradation that has affected water bodies across the Nation throughout the 20th century...

etroit Dam was constructed in 1953 on the North Santiam River in western Oregon and resulted in the formation of Detroit Lake. With a full-pool storage volume of 455,100 acre-feet and a dam height of...

This study characterized the amount and quality of organic matter in the Clackamas River, Oregon, to gain an understanding of sources that contribute to the formation of chlorinated and brominated...

A method was developed to calculate annual county- level pesticide use for selected herbicides, insecticides, and fungicides applied to agricultural crops grown in the conterminous United States from...

Groundwater quality in the approximately 1,000-square- mile (2,590-square-kilometer) North San Francisco Bay study unit was investigated as part of the Priority Basin Project of the Groundwater...

The Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) is a law enforcement organization within the U.S. Department of Justice (DOJ). ATF is dedicated to the reduction of violent crime,...

The U.S. Environmental Protection Agency (EPA) relies on sound science to safeguard human health and the environment. As the scientific research arm of the Agency, EPA's Office of Research and...

This is an excellent overview of aerial refueling. Unfortunately, this reprint is missing the first nine illustrations (between pages 1 and 22). I have read the original version, which was printed on...

This annotated bibliography presents the results of the review of the relevant peer-review literature and reports from Federal, state, and local governments. It includes journal articles and publicly...

This report demonstrates the effectiveness of State and local law enforcement agencies and prosecutors in joining with the Federal Bureau of Alcohol, Tobacco and Firearms (ATF) in "following the...

The Antiterrorism and Effective Death Penalty Act of 1996 (the Act) was enacted on April 24, 1996. Section 732 of the Act mandates the Secretary of the Treasury (the Secretary) to conduct a study of:...

On November 14, 1997, the President and the Secretary of the Treasury ordered a review of the importation of certain modified versions of semiautomatic assault rifles into the United States.1 The...

The enacted 2014 farm bill eliminated "direct payments," which were provided annually to producers and landowners of covered commodities from 1996 to 2013 based on historical production and a fixed...