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Geologic map of the Stephens City quadrangle, Clark, Frederick, and Warren Counties, Virginia
D. J. Weary, R. C. Orndorff, W. Aleman-Gonzalez
2006, Open-File Report 2006-1173
The Stephens City 1:24,000-scale quadrangle is one of several quadrangles in Frederick County, Virginia being mapped by geologists from the U.S. Geological Survey in Reston, VA with funding from the National Cooperative Geologic Mapping Program. This work is part of a project being lead by the U.S. Geological Survey Water...
Characterization of the hydrology, water chemistry, and aquatic communities of selected springs in the St. Johns River Water Management District, Florida, 2004
G. G. Phelps, Stephen J. Walsh, Robert M. Gerwig, William B. Tate
2006, Open-File Report 2006-1107
The hydrology, water chemistry, and aquatic communities of Silver Springs, De Leon Spring, Gemini Springs, and Green Spring in the St. Johns River Water Management District, Florida, were studied in 2004 to provide a better understanding of each spring and to compile data of potential use in future water-management decisions....
Sensitivity of potential evapotranspiration and simulated flow to varying meteorological inputs, Salt Creek watershed, DuPage County, Illinois
David E. Whitbeck
2006, Open-File Report 2005-1430
The Lamoreux Potential Evapotranspiration (LXPET) Program computes potential evapotranspiration (PET) using inputs from four different meteorological sources: temperature, dewpoint, wind speed, and solar radiation. PET and the same four meteorological inputs are used with precipitation data in the Hydrological Simulation Program-Fortran (HSPF) to simulate streamflow in the Salt Creek watershed,...
Potentiometric surface of the Upper Floridan aquifer, west-central Florida, May 2005
A.G. Ortiz, R.A. Blanchard
2006, Open-File Report 2006-1009
The Floridan aquifer system consists of the Upper and Lower Floridan aquifers separated by the middle confining unit. The middle confining unit and the Lower Floridan aquifer in west-central Florida generally contain highly mineralized water. The water-bearing units containing freshwater are herein referred to as the Upper Floridan aquifer. The...
Shallow-landslide hazard map of Seattle, Washington
Edwin L. Harp, John A. Michael, William T. Laprade
2006, Open-File Report 2006-1139
Landslides, particularly debris flows, have long been a significant cause of damage and destruction to people and property in the Puget Sound region. Following the years of 1996 and 1997, the Federal Emergency Management Agency (FEMA) designated Seattle as a 'Project Impact' city with the goal of encouraging the city...
Digital data from the Questa-San Luis and Santa Fe East helicopter magnetic surveys in Santa Fe and Taos Counties, New Mexico, and Costilla County, Colorado
Viki Bankey, V. J. S. Grauch, B. J. Drenth, Geophex Ltd.
2006, Open-File Report 2006-1170
This report contains digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during high-resolution aeromagnetic surveys in southern Colorado and northern New Mexico in December, 2005. One survey covers the eastern edge of the San Luis basin, including the towns of Questa,...
Coastal circulation and sediment dynamics in Hanalei Bay, Kaua'i, Hawaii: Part II: Tracking recent fluvial sedimentation: Isotope stratigraphy obtained in Summer 2005
Amy E. Draut, Michael E. Field, Michael H. Bothner, Joshua B. Logan, Michael A. Casso, Sandra M. Baldwin, Curt D. Storlazzi
2006, Open-File Report 2006-1125
Delivery and dispersal of fluvial sediment in Hanalei Bay, Kaua’i, Hawaii, have important implications for the health of local coral reefs. The reef community in Hanalei Bay represents a relatively healthy ecosystem. However, the reefs are periodically stressed by storm waves, and increases in sediment and dissolved substances from the...
Trends of Abutment-Scour Prediction Equations Applied to 144 Field Sites in South Carolina
Stephen T. Benedict, Nikhil Deshpande, Nadim M. Aziz, Paul Conrads
2006, Open-File Report 2003-295
The U.S. Geological Survey conducted a study in cooperation with the Federal Highway Administration in which predicted abutment-scour depths computed with selected predictive equations were compared with field measurements of abutment-scour depth made at 144 bridges in South Carolina. The assessment used five equations published in the Fourth Edition of...
Sea floor topography and backscatter intensity of the Hudson Canyon region offshore of New York and New Jersey
Bradford Butman, David C. Twichell, Peter A. Rona, Brian E. Tucholke, Tammie J. Middleton, James M. Robb
2006, Open-File Report 2004-1441
These maps show the sea floor topography and backscatter intensity of the Hudson Canyon region on the continental slope and rise offshore of New Jersey and New York (fig. 1 and fig. 2). Sheet 1 shows sea floor topography as shaded relief. Sheet 2 shows sea floor topography as shaded...
Borehole dilatometer installation, operation, and maintenance at sites in Hawaii
G.D. Myren, M.J.S. Johnston, R.J. Mueller
2006, Open-File Report 2006-1103
In response to concerns about the potential hazard of Mauna Loa volcano in Hawaii, the USGS began efforts in 1998 to add four high-resolution borehole sites. Located at these sites are; strainmeters, tiltmeters, seismometers, accelerometers and other instrumentation. These instruments are capable of providing continuous monitoring of the magma movement...
Summary of surface-water quality, ground-water quality, and water withdrawals for the Spirit Lake Reservation, North Dakota
Kevin C. Vining, Steven W. Cates
2006, Open-File Report 2006-1144
Available surface-water quality, ground-water quality, and water-withdrawal data for the Spirit Lake Reservation were summarized. The data were collected intermittently from 1948 through 2004 and were compiled from U.S. Geological Survey databases, North Dakota State Water Commission databases, and Spirit Lake Nation tribal agencies. Although the quality of surface water...
Spectral reflectance properties (0.4-2.5 um) of secondary Fe-oxide, Fe-hydroxide, and Fe-sulfate-hydrate minerals associated with sulfide-bearing mine waste
J.K. Crowley, D.E. Williams, J.M. Hammarstrom1, N. Piatak, J.C. Mars, I-Ming Chou
2006, Open-File Report 2003-196
Fifteen Fe-oxide, Fe-hydroxide, and Fe-sulphate-hydrate mineral species commonly associated with sulphide bearing mine wastes were characterized by using X-ray powder diffraction and scanning electron microscope methods. Diffuse reflectance spectra of the samples show diagnostic absorption features related to electronic processes involving ferric and/or ferrous iron, and to vibrational processes...
User's manual for the National Water Information Systemof the U.S. Geological Survey Water-Quality System
Dorinda J. Gellenbeck, Carolyn J. Oblinger, Donna L. Runkle, Terry L. Schertz, Jonathon C. Scott, Yvonne E. Stoker, Robert L. Taylor
2006, Open-File Report 2006-1145
This user documentation is designed to be a reference for the Water-Quality System (QWDATA) within the National Water Information System (NWIS). For the new user, the 'Introduction' and 'Getting Started' sections are the recommended places to begin. The experienced user may want to go straight to the details provided in...
Inventory of Amphibians and Reptiles in Southern Colorado Plateau National Parks
Trevor B. Persons, Erika M. Nowak
2006, Open-File Report 2006-1132
In fiscal year 2000, the National Park Service (NPS) initiated a nationwide program to inventory vertebrates andvascular plants within the National Parks, and an inventory plan was developed for the 19 park units in the Southern Colorado Plateau Inventory & Monitoring Network. We surveyed 12 parks in this network for...
Ground-Water Quality in the Upper Susquehanna River Basin, New York, 2004-05
Kari K. Hetcher-Aguila, David A.V. Eckhardt
2006, Open-File Report 2006-1161
Water samples were collected from 20 production wells and 13 private residential wells throughout the upper Susquehanna River Basin (upstream from the Pennsylvania border) during the fall of 2004 and the spring of 2005 and analyzed to describe the chemical quality of ground water in the upper basin. Wells were...
Digital single-channel seismic-reflection data from western Santa Monica basin
William R. Normark, David J. W. Piper, Ray W. Sliter, Peter Triezenberg, Christina E. Gutmacher
2006, Open-File Report 2006-1180
During a collaborative project in 1992, Geological Survey of Canada and United States Geological Survey scientists obtained about 850 line-km of high-quality single-channel boomer and sleeve-gun seismic-reflection profiles across Hueneme, Mugu and Dume submarine fans, Santa Monica Basin, off southern California. The goals of this work were to better understand...
Potentiometric surface of the Upper Floridan aquifer in the Ichetucknee springshed and vicinity, northern Florida, September 2003
A. Alejandro Sepulveda, Brian G. Katz, Gary L. Mahon
2006, Open-File Report 2006-1031
The Upper Floridan aquifer is a highly permeable unit of carbonate rock extending beneath most of Florida and parts of southern Alabama, Georgia, and South Carolina. The high permeability is due in a large part to the widening of fractures that developed over time and the formation of conduits within...
Near-Field Receiving Water Monitoring of trace metals and a benthic community near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California: 2005
Daniel J. Cain, Francis Parcheso, Janet K. Thompson, Samuel N. Luoma, Allison H. Lorenzi, Edward Moon, Michelle K. Shouse, Michelle I. Hornberger, Jessica Dyke
2006, Open-File Report 2006-1152
Trace elements in sediment and the clam Macoma petalum (formerly reported as Macoma balthica (Cohen and Carlton 1995)), clam reproductive activity and benthic, macroinvertebrate community structure are reported for a mudflat one kilometer south of the discharge of the Palo Alto Regional Water Quality Control Plant in South San Francisco...
Velocity, bathymetry, and transverse mixing characteristics of the Ohio River upstream from Cincinnati, Ohio, October 2004–March 2006
G. F. Koltun, Chad J. Ostheimer, Michael S. Griffin
2006, Open-File Report 2006-1159
Velocity, bathymetry, and transverse (cross-channel) mixing characteristics were studied in a 34-mile study reach of the Ohio River extending from the lower pool of the Captain Anthony Meldahl Lock and Dam, near Willow Grove, Ky, to just downstream from the confluence of the Licking and Ohio Rivers, near Newport, Ky....
Wave data processing toolbox manual
Charlene M. Sullivan, John C. Warner, Marinna A. Martini, Frances S. Lightsom, George Voulgaris, Paul Work
2006, Open-File Report 2005-1211
Researchers routinely deploy oceanographic equipment in estuaries, coastal nearshore environments, and shelf settings. These deployments usually include tripod-mounted instruments to measure a suite of physical parameters such as currents, waves, and pressure. Instruments such as the RD Instruments Acoustic Doppler Current Profiler (ADCP(tm)), the Sontek Argonaut, and the Nortek Aquadopp(tm)...
Geologic map of the national parks in the National Capital region, Washington, D.C., Virginia, Maryland, and West Virginia
Scott Southworth, Danielle Denenny
2006, Open-File Report 2005-1331
More than 51,000 acres within the National Capital Region (NCR) are administered by the National Park Service (NPS). These parks consist of parkways, trails, statues, monuments, memorials, historic sites, scenic areas, theatres, parks for performing arts, and Civil War battlefields. Although largely established for historical and cultural resources, each park...
Subsurface structure of the East Bay Plain ground-water basin: San Francisco Bay to the Hayward fault, Alameda County, California
R. D. Catchings, J. W. Borchers, M. R. Goldman, G. Gandhok, D. A. Ponce, C. E. Steedman
2006, Open-File Report 2006-1084
The area of California between the San Francisco Bay, San Pablo Bay, Santa Clara Valley, and the Diablo Ranges (East Bay Hills), commonly referred to as the 'East Bay', contains the East Bay Plain and Niles Cone ground-water basins. The area has a population of 1.46 million (2003 US Census),...
User's Guide, software for reduction and analysis of daily weather and surface-water data: Tools for time series analysis of precipitation, temperature, and streamflow data
Richard Hereford
2006, Open-File Report 2006-1101
The software described here is used to process and analyze daily weather and surface-water data. The programs are refinements of earlier versions that include minor corrections and routines to calculate frequencies above a threshold on an annual or seasonal basis. Earlier versions of this software were used successfully to analyze...