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How To Obtain Aerial Photographs
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 081-99
The U.S. Geological Survey (USGS) maintains an informational data base of aerial photographic coverage of the United States and its territories that dates back to the 1940?s. This information describes photographic projects from the USGS, other Federal, State, and local government agencies, and commercial firms. The pictures on this page show a...
A Study of Natural and Restored Wetland Hydrology
E. Randall Bayless, Leslie D. Arihood, William C. Sidle, Noel B. Pavlovic
1999, Fact Sheet 104-99
The U.S. Geological Survey and the U.S. Environmental Protection Agency are jointly studying the hydrology of a long-existing natural wetland and a recently restored wetland in the Kankakee River Valley in northwestern Indiana. In characterizing the two wetlands, project investigators are testing innovative methods to identify the analytical tools best...
Spatial Data Transfer Standard (SDTS)
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 077-99
The American National Standards Institute?s (ANSI) Spatial Data Transfer Standard (SDTS) is a mechanism for archiving and transferring of spatial data (including metadata) between dissimilar computer systems. The SDTS specifies exchange constructs, such as format, structure, and content, for spatially referenced vector and raster (including gridded) data. The SDTS includes a...
U.S. Geological Survey Business Partner Program
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 082-99
The Business Partner Program is composed of a network of private sector organizations that distribute U.S. Geological Survey (USGS) products. By engaging the private sector, State and local government, and academic and nonprofit organizations in product dissemination, the USGS expects to increase the availability of its products to end users,...
Revision and Product Generation Software
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 076-99
The U.S. Geological Survey (USGS) developed revision and product generation (RevPG) software for updating digital line graph (DLG) data and producing maps from such data. This software is based on ARC/INFO, a geographic information system from Environmental Systems Resource Institute (ESRI). RevPG consists of ARC/INFO Arc Macro Language (AML) programs,...
Digital raster graphics
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 070-99
A digital raster graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) topographic map. The scanned image includes all map collar information. The image inside the map neatline is georeferenced to the surface of the Earth. The DRG can be used to collect, review, and revise other...
U.S. Geological Survey and Microsoft Cooperative Research and Development Agreement: Geospatial Data Browsing and Retrieval Site on the World Wide Web
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 072-99
In May 1997, the U.S. Geological Survey (USGS) and the Microsoft Corporation of Redmond, Wash., entered into a cooperative research and development agreement (CRADA) to make vast amounts of geospatial data available to the general public through the Internet. The CRADA is a 36-month joint effort to develop a general,...
El Proyecto Sismico "LARSE" - Trabajando Hacia un Futuro con Mas Seguridad para Los Angeles
Thomas L. Henyey, Gary S. Fuis, Mark L. Benthien, Thomas R. Burdette, Shari A. Christofferson, Robert W. Clayton, Edward E. Criley, Paul M. Davis, James W. Hendley II, Monica D. Kohler, William J. Lutter, John K. McRaney, Janice M. Murphy, David A. Okaya, Trond Ryberg, Gerald W. Simila, Peter H. Stauffer
1999, Fact Sheet 111-99
La region de Los Angeles contiene una red de fallas activas, incluyendo muchas fallas por empuje que son profundas y no rompen la superficie de la tierra. Estas fallas ocultas incluyen la falla anteriormente desconocida que fue responsable por la devastacion que ocurrio durante el terremoto de Northridge en enero...
Adopt a Frog Pond and Frog Force! Citizen scientists at large
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 089-99
FROG FORCE (http://www.frogweb.gov) is a volunteer team of kids, their parents, teachers or anyone who cares about the environment working together in the Adopt a Frog Pond Program...
Analysis of land use change in urban environments
Water Resources Division, U.S. Geological Survey
1999, Fact Sheet 188-99
Metropolitan areas in the United States are growing at unprecedented rates, creating extensive urban landscapes. Many of the farmlands, wetlands, forests, and deserts that formed the America of 1900 have been transformed during the past 100 years into human settlements. Almost everyone has seen these changes to their local environment...
National Water-Quality Assessment Program: Great Salt Lake basins study unit
Kidd M. Waddell
1999, Fact Sheet 132-99
The Great Salt Lake Basins NAWQA study will increase the scientific understanding of the factors that influence surface- and ground-water quality. This information will benefit water-resources managers that need, but often lack, the data required to implement effective water-quality management actions and evaluate long-term changes in water quality....
Shallow ground-water quality in the Coastal Plain of Columbia, South Carolina, 1996
Eric J. Reuber
1999, Fact Sheet 130-98
As part of the National Water-Quality Assessment (NAWQA) Program, the U.S. Geological Survey (USGS) oversaw the installation of 30 shallow monitoring wells in the Columbia, South Carolina metropolitan area. The ground water sampled from these wells was used to study the recent effects of human activities on shallow ground water...
Biology in focus: better lives through better science: new hope for acid streams
Barnaby Watten
1998, Report
Across the nation, a toxic pollutant turns clean streams orange, kills fish and plant life, and smells like rotten eggs. The culprit is acid mine drainage, the poisonous water leaking from more than 500,000 abandoned and inactive mines in 32 states. The toxic discharge is a problem for operational mines...