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Not all publications have extents, not all extents are completely accurate
The National Map - Geographic Names
Water Resources Division, U.S. Geological Survey
2002, Fact Sheet 108-02
Governments depend on a common set of base geographic information as a tool for economic and community development, land and natural resource management, and health and safety services. Emergency management and homeland security applications rely on this information. Private industry, nongovernmental organizations, and individual citizens use the same geographic data....
The National Map - Orthoimagery
Water Resources Division, U.S. Geological Survey
2002, Fact Sheet 107-02
Governments depend on a common set of base geographic information as a tool for economic and community development, land and natural resource management, and health and safety services. Emergency management and homeland security applications rely on this information. Private industry, nongovernmental organizations, and individual citizens use the same geographic data....
Houston-Galveston Bay area, Texas, from space; a new tool for mapping land subsidence
Sylvia V. Stork, Michelle Sneed
2002, Fact Sheet 110-02
Interferometric Synthetic Aperture Radar (InSAR) is a powerful new tool that uses radar signals to measure displacement (subsidence and uplift) of the Earth's crust at an unprecedented level of spatial detail and high degree of measurement resolution.The Houston-Galveston Bay area, possibly more than any other metropolitan area in the United...
Assessment of stream quality using biological indices at selected sites in the Delaware River basin, Chester County, Pennsylvania, 1981-97
Andrew G. Reif
2002, Fact Sheet 116-02
IntroductionIn 1970, the Chester County Water Resources Authority (Penn-sylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest...
Assessment of stream quality using biological indices at selected sites in the Red Clay and White Clay Creek basins, Chester County, Pennsylvania, 1981-97
Andrew G. Reif
2002, Fact Sheet 118-02
In 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest...
Assessment of stream quality using biological indices at selected sites in the Brandywine Creek basin, Chester County, Pennsylvania, 1981-97
Andrew G. Reif
2002, Fact Sheet 117-02
In 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a longterm water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest...
Assessment of stream quality using biological indices at selected sites in the Big Elk and Octoraro Creek basins, Chester County, Pennsylvania, 1981-97
Andrew G. Reif
2002, Fact Sheet 115-02
IntroductionIn 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest...
Assessment of stream quality using biological indices at selected sites in the Schuylkill River basin, Chester County, Pennsylvania, 1981-97
Andrew G. Reif
2002, Fact Sheet 114-02
IntroductionIn 1970, the Chester County Water Resources Authority (Pennsylvania) and the U.S. Geological Survey (USGS) established a long-term water-quality network with the goal of assessing the quality of streams in the county and understanding stream changes in response to urbanization using benthic-macroinvertebrate data. This database represents one of the longest...
Mount Mazama and Crater Lake: Growth and destruction of a Cascade volcano
Edward P. Klimasauskas, Charles R. Bacon, Jim Alexander
2002, Fact Sheet 092-02
For more than 100 years, scientists have sought to unravel the remarkable story of Crater Lake’s formation. Before Crater Lake came into existence, a cluster of volcanoes dominated the landscape. This cluster, called Mount Mazama (for the Portland, Oregon, climbing club the Mazamas), was destroyed during an enormous explosive eruption...
Using dye-tracing and chemical analyses to determine effects of a wastewater discharge to Jam Up Creek on water quality of Big Spring, southeastern Missouri, 2001
Jeffrey L. Imes, Brian S. Fredrick
2002, Fact Sheet 103-02
On July 5, 2001, approximately 50,000 gallons of partially treated wastewater was accidentally discharged from the Mountain View wastewater-treatment plant in Howell County, Missouri, into nearby Jam Up Creek. The creek is a tributary of the Jacks Fork, a recreational stream administered by the National Park Service (NPS) as part...
Escherichia coli in the swash zone at four Ohio bathing beaches
Donna S. Francy, Amie M. Gifford
2002, Fact Sheet 134-02
The zone of the shoreline that is constantly washed by waves or tides, called the swash zone, is an attractive recreational area, especially for children who play in the sand. The swash zone, however, has been suggested as a possible habitat for waterborne disease-causing microorganisms (pathogens). The spaces between the...
Effects of wildfire on the hydrology of Frijoles and Capulin canyons in and near Bandelier National Monument, New Mexico
Jack E. Veenhuis, Phillip R. Bowman
2002, Fact Sheet 141-02
In June 1977, the La Mesa wildfire burned 15,270 acres in and near Frijoles Canyon in Bandelier National Monument (BNM) and the adjacent Santa Fe National Forest, New Mexico. In April 1996, the Dome wildfire in BNM burned 16,516 acres in and near Capulin Canyon and the surrounding Dome Wilderness area. Both Frijoles and Capulin Canyon watersheds are characterized by archeological...
Precipitation history of the Colorado Plateau region, 1900-2000
Richard Hereford, Robert H. Webb, Scott Graham
2002, Fact Sheet 119-02
The Colorado Plateau covers 210,000 km 2 (130,000 mi 2) of Utah, Colorado, New Mexico, and Arizona. Management of this region?s resources requires an understanding of how its climate has varied in the past and may change in the near future. Recent studies by U.S. Geological Survey (USGS) and other...
Occurrence of antibiotics in water from fish hatcheries
Earl M. Thurman, Julie E. Dietze, Elisabeth A. Scribner
2002, Fact Sheet 120-02
The recent discovery of pharmaceuticals in streams across the United States (Kolpin and others, 2002) has raised the visibility and need for monitoring of antibiotics in the environment. Possible sources of antibiotics and other pharmaceuticals in streams may include fish hatcheries. This fact sheet presents the results from a preliminary...