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Field-trip guide to volcanic and volcaniclastic deposits of the lower Jurassic Talkeetna formation, Sheep Mountain, south-central Alaska
Amy E. Draut, Peter D. Clift, Robert B. Blodgett
2006, Open-File Report 2006-1124
This guide provides information for a one-day field trip in the vicinity of Sheep Mountain, just north of the Glenn Highway in south-central Alaska. The Lower Jurassic Talkeetna Formation, consisting of extrusive volcanic and volcaniclastic sedimentary rocks of the Talkeetna arc complex, is exposed on and near Sheep Mountain. Field-trip...
Geological interpretation of bathymetric and backscatter imagery of the sea floor off eastern Cape Cod, Massachusetts
Larry J. Poppe, Valerie F. Paskevich, Bradford Butman, Seth D. Ackerman, William W. Danforth, Dave S. Foster, Dann S. Blackwood
2006, Open-File Report 2005-1048
The imagery, interpretive data layers, and data presented herein were derived from multibeam echo-sounder data collected off Eastern Cape Cod, Massachusetts, and from the stations occupied to verify these acoustic data. The basic data layers show sea-floor topography, sun-illuminated shaded relief, and backscatter intensity; interpretive layers show the distributions of...
Gas desorption and adsorption isotherm studies of coals in the Powder River basin, Wyoming and adjacent basins in Wyoming and North Dakota
Gary D. Stricker, Romeo M. Flores, Dwain E. McGarry, Dean P. Stillwell, Daniel J. Hoppe, Cathy R. Stillwell, Alan M. Ochs, Margaret S. Ellis, Karl S. Osvald, Sharon L. Taylor, Marjorie C. Thorvaldson, Michael H. Trippi, Sherry D. Grose, Fred J. Crockett, Asghar J. Shariff
2006, Open-File Report 2006-1174
The U.S. Geological Survey (USGS), in cooperation with the State Office, Reservoir Management Group (RMG), of the Bureau of Land Management (BLM) in Casper (Wyoming), investigated the coalbed methane resources (CBM) in the Powder River Basin, Wyoming and Montana, from 1999 to the present. Beginning in late 1999, the study...
A preliminary assessment of mouflon abundance at the Kahuku Unit of Hawaii Volcanoes National Park
Steven C. Hess, Ben Kawakami Jr., David Okita, Keola Medeiros
2006, Open-File Report 2006-1193
Hawaii Volcanoes National Park (HAVO) recently acquired the 115,653 acre Kahuku Ranch unit adjacent to the existing Mauna Loa section of HAVO. Kahuku contains numerous exceptional natural resources including many federally listed threatened and endangered species. An apparently large and growing population of alien mouflon sheep (Ovis gmelini musimon), however,...
Preliminary estimate of coal resources in the Gillette coalfield affected by the location of the Burlington Northern/Union Pacific joint mainline railroad
Timothy J. Rohrbacher, Jon E. Haacke, David C. Scott, Lee M. Osmonson, James A. Luppens
2006, Open-File Report 2006-1206
This publication, primarily in graphic form, presents a preliminary resource assessment related to a major, near-term restriction to mining in that portion of the Gillette coalfield, Wyoming, that is traversed by the Burlington Northern/Union Pacific joint mainline railroad. This assessment is part of a current Powder River Basin regional coal...
Scoping of flood hazard mapping needs for Coos County, New Hampshire
Robert H. Flynn
2006, Open-File Report 2006-1200
This report was prepared by the U.S. Geological Survey (USGS) New Hampshire/ Vermont Water Science Center for scoping of flood-hazard mapping needs for Coos County, New Hampshire, under Federal Emergency Management Agency (FEMA) Inter-Agency agreement Number HSFE01-05X-0018. One of the priorities for FEMA, Region 1, is to develop updated Digital...
Stability of leaning column at Devils Tower National Monument, Wyoming
Edwin L. Harp, Charles R. Lindsay
2006, Open-File Report 2006-1130
In response to reports from climbers that an 8-meter section (referred to as the leaning column) of the most popular climbing route on Devils Tower in northeastern Wyoming is now moving when being climbed, scientists from the U.S. Geological Survey inspected the site to determine the stability of the column...
Preliminary results of sequential extraction experiments for selenium on mine waste and stream sediments from Vermont, Maine, and New Zealand
N.M. Piatak, R.R. Seal II, R. F. Sanzolone, P. J. Lamothe, Z. A. Brown
2006, Open-File Report 2006-1184
We report the preliminary results of sequential partial dissolutions used to characterize the geochemical distribution of selenium in stream sediments, mine wastes, and flotation-mill tailings. In general, extraction schemes are designed to extract metals associated with operationally defined solid phases. Total Se concentrations and the mineralogy of the samples are...
delta 15N and non-carbonate delta 13C values for two petroleum source rock reference materials and a marine sediment reference material
Kristin O. Dennen, Craig A. Johnson, Marshall L. Otter, Steven R. Silva, Gregory A. Wandless
2006, Open-File Report 2006-1071
Samples of United States Geological Survey (USGS) Certified Reference Materials USGS Devonian Ohio Shale (SDO-1), and USGS Eocene Green River Shale (SGR-1), and National Research Council Canada (NRCC) Certified Marine Sediment Reference Material (PACS-2), were sent for analysis to four separate analytical laboratories as blind controls for organic rich sedimentary...
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...
Potentiometric surface of the Upper Floridan aquifer, west-central Florida, September 2005
A.G. Ortiz
2006, Open-File Report 2006-1128
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...
Chemical analyses of coal, coal-associated rocks and coal combustion products collected for the National Coal Quality Inventory
Joseph R. Hatch, John H. Bullock Jr., Robert B. Finkelman
2006, Open-File Report 2006-1162
In 1999, the USGS initiated the National Coal Quality Inventory (NaCQI) project to address a need for quality information on coals that will be mined during the next 20-30 years. At the time this project was initiated, the publicly available USGS coal quality data was based on samples primarily collected...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...