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Page 3691, results 92251 - 92275

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Level II scour analysis for Bridge 31 (HUNTTH00220031) on Town Highway 22, crossing Brush Brook, Huntington, Vermont
Robert H. Flynn, James R. Degnan
1997, Open-File Report 97-673
This report provides the results of a detailed Level II analysis of scour potential at structure HUNTTH00220031 on Town Highway 22 crossing Brush Brook, Huntington, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour (U.S....
Level II scour analysis for Bridge 12 (CHESVT01030012) on State Highway 103, crossing the Williams River, Chester, Vermont
Robert H. Flynn, Ronda L. Burns
1997, Open-File Report 97-364
This report provides the results of a detailed Level II analysis of scour potential at structure CHESVT01030012 on State Route 103 crossing the Williams River, Chester, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour...
Level II scour analysis for Bridge 30 (MNTGTH00410030) on Town Highway 41, crossing the Trout River, Montgomery, Vermont
Michael A. Ivanoff, Laura Medalie
1997, Open-File Report 97-396
This report provides the results of a detailed Level II analysis of scour potential at structure MNTGTH00410030 on Town Highway 41 crossing the Trout River, Montgomery, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour...
Level II scour analysis for Bridge 26 (JAMATH00010026) on Town Highway 1, crossing Ball Mountain Brook, Jamaica, Vermont
Ronda L. Burns, Laura Medalie
1997, Open-File Report 97-395
This report provides the results of a detailed Level II analysis of scour potential at structure JAMATH00010026 on Town Highway 1 crossing Ball Mountain Brook, Jamaica, Vermont (figures 1–8). A Level II study is a basic engineering analysis of the site, including a quantitative analysis of stream stability and scour...
Finding international Landsat data online
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 083-97
The Global Land Information System (GLIS) lists Landsat multispectral scanner (MSS) and thematic mapper (TM) data available from the participating international ground stations shown below. These databases of the Landsat Ground Station Operations Working Group (LGSOWG) can be searched, but not ordered, using GLIS. To order Landsat scenes identified on...
US GeoData digital elevation models
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 102-96
Digital elevation model (DEM) data consist of a sampled array of regularly spaced elevation values referenced horizontally either to a Universal Transverse Mercator (UTM) projection or to a geographic coordinate system. The grid cells are spaced at regular intervals along south to north profiles that are ordered from west to...
The Universal Transverse Mercator (UTM) grid
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 142-97
The most convenient way to identify points on the curved surface of the Earth is with a system of reference lines called parallels of latitude and meridians of longitude. On some maps the meridians and parallels appear as straight lines. On most modern maps, however, the meridians and parallels may...
Revision and product generation software
Water Resources Division, U.S. Geological Survey
1997, Fact Sheet 045-97
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,...
Monitoring for pesticides in ground water in Nevada
Patricia A. Adams, Charles W. Moses, Hugh E. Bevans
1997, Fact Sheet 139-97
Many pesticides designed to control weed encroachment, plant disease, and insect predation are used in agricultural and urban areas in the United States. Contamination of ground water by pesticides has increased over the last 20 years (U.S. Environmental Protection Agency, 1992). In 1985, the U.S. Environmental Protection Agency (USEPA) estimated...
USGS Blind Sample Project: monitoring and evaluating laboratory analytical quality
Amy S. Ludtke, Mark T. Woodworth
1997, Fact Sheet 136-97
The U.S. Geological Survey (USGS) collects and disseminates information about the Nation's water resources. Surface- and ground-water samples are collected and sent to USGS laboratories for chemical analyses. The laboratories identify and quantify the constituents in the water samples. Random and systematic errors occur during sample handling, chemical analysis, and...
Ground Water Atlas of the United States: Segment 3, Kansas, Missouri, Nebraska
James A. Miller, Cynthia L. Appel
1997, Hydrologic Atlas 730-D
The three States-Kansas, Missouri, and Nebraska-that comprise Segment 3 of this Atlas are in the central part of the United States. The major rivers that drain these States are the Niobrara, the Platte, the Kansas, the Arkansas, and the Missouri; the Mississippi River is the eastern boundary of the area....
Technology Transfer Opportunities: Automated Ground-Water Monitoring
Kirk P. Smith, Gregory E. Granato
1997, Fact Sheet 112-97
Introduction A new automated ground-water monitoring system developed by the U.S. Geological Survey (USGS) measures and records values of selected water-quality properties and constituents using protocols approved for manual sampling. Prototypes using the automated process have demonstrated the ability to increase the quantity and quality of data collected and have shown...