Geologic framework studies of South Carolina's Long Bay from Little River Inlet to Winyah Bay, 1999-2003: Geospatial data release
W. E. Baldwin, J. F. Denny, W. C. Schwab, P. T. Gayes, R. Morton, N. W. Driscoll
2007, Open-File Report 2005-1346
The northern South Carolina coast is a heavily developed region that supports a thriving tourism industry, large local populations and extensive infrastructure (Figure 1). The economic stability of the region is closely tied to the health of its beaches: primarily in providing support for local tourism and protection from storm...
Cenozoic environmental changes along the East Antarctic continental margin inferred from regional seismic stratigraphy
G.L. Leitchenkov, Y.B. Guseva, V.V. Gandyukhin
2007, Open-File Report 2007-1047-SRP-005
We interpret ~40,000 km of multichannelseismic reflection lines collected by the Russian Antarctic Expedition along the East Antarctic continental margin between 32° E and 115° E, and present a revised seismic stratigraphic model for depositional paleoenvironments of the region. Variations in acoustic facies characteristics observed across major seismic horizons are correlated...
Yellow-Billed Cuckoo Distribution, Abundance, and Habitat Use Along the Lower Colorado and Tributaries, 2006 Annual Report
Matthew J. Johnson, Jennifer A. Holmes, Christopher Calvo, Ivan Samuels, Stefani Krantz, Mark K. Sogge
2007, Open-File Report 2007-1097
Executive Summary This 2006 annual report details the first season of a 2-year study documenting western yellow-billed cuckoo (Coccyzus americanus occidentalis) distribution, abundance, and habitat use throughout the Lower Colorado River Multi-Species Conservation Plan boundary area. We conducted cuckoo surveys at 55 sites within 17 areas, between 11 June and 13...
Ground-water, surface-water, and water-chemistry data, Black Mesa area, northeastern Arizona— 2005-06
Margot Truini, J. P. Macy
2007, Open-File Report 2007-1041
The N aquifer is the major source of water in the 5,400 square-mile Black Mesa area in northeastern Arizona. Availability of water is an important issue in northeastern Arizona because of continued water requirements for industrial and municipal use and the needs of a growing population. Precipitation in the Black...
A Dreissena Risk Assessment for the Colorado River Ecosystem
Theodore A. Kennedy
2007, Open-File Report 2007-1085
Executive Summary Nonnative zebra and quagga mussels (Dreissena polymorpha and Dreissena bugensis, respectively; see photo above) were accidentally introduced to the Great Lakes in the 1980s and subsequently spread to watersheds of the Eastern United States (Strayer and others, 1999). The introduction of Dreissena mussels has been economically costly and has...
Preliminary Geologic Map of the Lake Mead 30' X 60' Quadrangle, Clark County, Nevada, and Mohave County, Arizona
L. S. Beard, R.E. Anderson, D.L. Block, R. G. Bohannon, R.J. Brady, S.B. Castor, E. M. Duebendorfer, J. E. Faulds, T.J. Felger, K. A. Howard, M. A. Kuntz, V. S. Williams
2007, Open-File Report 2007-1010
Introduction The geologic map of the Lake Mead 30' x 60' quadrangle was completed for the U.S. Geological Survey's Las Vegas Urban Corridor Project and the National Parks Project, National Cooperative Geologic Mapping Program. Lake Mead, which occupies the northern part of the Lake Mead National Recreation Area (LAME), mostly lies...
Chemical and hydrologic data from the Cement Creek and upper Animas River confluence and mixing zone, Silverton, Colorado, September 1997
Laurence E. Schemel, Marisa H. Cox
2007, Open-File Report 2007-1048
Cement Creek, an acidic tributary, discharges into the circum-neutral Animas River (pH>7) in Silverton, Colorado located in the high-elevation San Juan Mountains. Mixing of Animas River water with acidic metal rich Cement Creek water raises water pH and produces metal precipitates. This report presents selected anion, cation, chloride, and sulfate...
Streamflow and nutrient fluxes of the Mississippi-Atchafalaya River Basin and subbasins for the period of record through 2005
Brent T. Aulenbach, Herbert T. Buxton, William A. Battaglin, Richard H. Coupe
2007, Open-File Report 2007-1080
U.S. Geological Survey has monitored streamflow and water quality systematically in the Mississippi-Atchafalaya River Basin (MARB) for more than five decades. This report provides streamflow and estimates of nutrient delivery (flux) to the Gulf of Mexico from both the Atchafalaya River and the main stem of the Mississippi River. This...
Sequential Extraction Results and Mineralogy of Mine Waste and Stream Sediments Associated With Metal Mines in Vermont, Maine, and New Zealand
N.M. Piatak, R.R. Seal II, R. F. Sanzolone, P. J. Lamothe, Z. A. Brown, M. Adams
2007, Open-File Report 2007-1063
We report results from sequential extraction experiments and the quantitative mineralogy for samples of stream sediments and mine wastes collected from metal mines. Samples were from the Elizabeth, Ely Copper, and Pike Hill Copper mines in Vermont, the Callahan Mine in Maine, and the Martha Mine in New Zealand. The...
Floodwater chemistry in the Yolo Bypass during winter and spring, 1998
Laurence E. Schemel, Marisa H. Cox
2007, Open-File Report 2007-1025
A preliminary investigation of temporal and spatial variations in floodwater chemistry was conducted during winter and spring 1998 in the Yolo Bypass floodplain of the Sacramento River system. Samples were collected at locations along the eastern margin of the floodplain over the duration of the study and across the floodplain...
Geochemistry of Surface and Ground Water in Cement Creek from Gladstone to Georgia Gulch and in Prospect Gulch, San Juan County, Colorado
Raymond H. Johnson, Laurie Wirt, Andrew H. Manning, Kenneth J. Leib, David L. Fey, Douglas B. Yager
2007, Open-File Report 2007-1004
In San Juan County, Colo., the effects of historical mining continue to contribute metals to ground water and surface water. Previous research by the U.S. Geological Survey identified ground-water discharge as a significant pathway for the loading of metals to surface water in the upper Animas River watershed from both...
Geologic Mapping and Mineral Resource Assessment of the Healy and Talkeetna Mountains Quadrangles, Alaska Using Minimal Cloud- and Snow-Cover ASTER Data
Bernard E. Hubbard, Lawrence C. Rowan, Cynthia Dusel-Bacon, Robert G. Eppinger
2007, Open-File Report 2007-1046
On July 8, 2003, ASTER acquired satellite imagery of a 60 km-wide swath of parts of two 1:250,000 Alaska quadrangles, under favorable conditions of minimal cloud- and snow-cover. Rocks from eight different lithotectonic terranes are exposed within the swath of data, several of which define permissive tracts for various mineral...
Tectonic elements of the continental margin of East Antarctica, 38-164ºE
P. E. O’Brien, H.M.J. Stagg
2007, Open-File Report 2007-1047-SRP-085
The East Antarctic continental margin from 38–164ºE is divided into western and eastern provinces that developed during the separation of India from Australia–Antarctica (Early Cretaceous) and Australia from Antarctica (Late Cretaceous). In the overlap between these provinces the geology is complex and bears the imprint of both extension/spreading episodes, with...
U.S. Geological Survey scientific activities in the exploration of Antarctica: 1995-96 field season
Tony K. Meunier, Richard S. Williams Jr., Jane G. Ferrigno
2007, Open-File Report 2006-1114
The U.S. Geological Survey (USGS) mapping program in Antarctica is one of the longest continuously funded projects in the United States Antarctic Program (USAP). This is the 46th U.S. expedition to Antarctica in which USGS scientists have participated. The financial support from the National Science Foundation, which extends back to...
U.S. Geological Survey scientific activities in the exploration of Antarctica: 1946-2006 record of personnel in Antarctica and their postal cachets: U.S. Navy (1946-48, 1954-60), International Geophysical Year (1957-58), and USGS (1960-2006)
Tony K. Meunier, Richard S. Williams Jr., Jane G. Ferrigno
2007, Open-File Report 2006-1116
Antarctica, a vast region encompassing 13.2 million km2 (5.1 million mi2), is considered to be one of the most important scientific laboratories on Earth. During the past 60 years, the USGS, in collaboration and with logistical support from the National Science Foundation's Office of Polar Programs, has sent 325 USGS...
Preliminary Assessment of Volcanic and Hydrothermal Hazards in Yellowstone National Park and Vicinity
Robert L. Christiansen, Jacob B. Lowenstern, Robert B. Smith, Henry Heasler, Lisa A. Morgan, Manuel Nathenson, Larry G. Mastin, L.J. Patrick Muffler, Joel E. Robinson
2007, Open-File Report 2007-1071
Possible future violent events in the active hydrothermal, magmatic, and tectonic system of Yellowstone National Park pose potential hazards to park visitors and infrastructure. Most of the national park and vicinity are sparsely populated, but significant numbers of people as well as park resources could nevertheless be at risk from...
U.S. Geological Survey scientific activities in the exploration of Antarctica: 2002-03 field season
Tony K. Meunier, Richard S. Williams Jr., Jane G. Ferrigno
2007, Open-File Report 2006-1113
The U.S. Geological Survey (USGS) mapping program in Antarctica is one of the longest continuously funded projects in the United States Antarctic Program (USAP). This is the 53rd U.S. expedition to Antarctica in which USGS scientists have participated. The financial support from the National Science Foundation, which extends back to...
Heavy oil and natural bitumen resources in geological basins of the world
Richard F. Meyer, Emil D. Attanasi, Philip A. Freeman
2007, Open-File Report 2007-1084
Heavy oil and natural bitumen are oils set apart by their high viscosity (resistance to flow) and high density (low API gravity). These attributes reflect the invariable presence of up to 50 weight percent asphaltenes, very high molecular weight hydrocarbon molecules incorporating many heteroatoms in their lattices. Almost all heavy...
In search of a Silurian Total Petroleum System in the Appalachian Basin of New York, Ohio, Pennsylvania, and West Virginia
Robert T. Ryder, Christopher S. Swezey, Michael H. Trippi, Erika E. Lentz, K. Lee Avary, John A. Harper, William M. Kappel, Ronald G. Rea
2007, Open-File Report 2007-1003
This report provides an evaluation of the source rock potential of Silurian strata in the U.S. portion of the northern Appalachian Basin, using new TOC and RockEval data. The study area consists of all or parts of New York, Ohio, Pennsylvania, and West Virginia. The stratigraphic intervals that were sampled...
Seismic Shear Wave Reflection Imaging at the Former Fort Ord, Monterey, California
Seth S. Haines, Bethany L. Burton, Lewis E. Hunter
2007, Open-File Report 2007-1068
At the former Fort Ord in Monterey County, California, contamination threatens an aquifer that provides drinking water for local communities. Assessment and remediation require accurate hydrological modeling, which in turn require a thorough understanding of aquifer stratigraphy. In order to help guide remediation efforts at the site, the U.S. Geological...
Synthesis of age data and chronology for Florida Bay and Biscayne Bay cores collected for ecosystem history of South Florida’s estuaries project
G. Lynn Wingard, J.W. Hudley, C. W. Holmes, Debra A. Willard, M. Marot
2007, Open-File Report 2007-1203
210Pb, 14C, and pollen biostratigraphic data have been compiled and synthesized to develop age models for cores collected from Florida Bay and Biscayne Bay. These cores are being used to interpret the ecosystem history of south Florida’s estuaries by examining the physical, chemical, and biological record preserved within the cores....
Hydrologic Data Summary for the Northeast Creek/Fresh Meadow Estuary, Acadia National Park, Maine, 2000-2001
James M. Caldwell, Charles W. Culbertson
2007, Open-File Report 2007-1035
The U.S. Geological Survey, in cooperation with the National Park Service, collected data in Northeast Creek estuary, Mt. Desert Island, Maine, to establish baseline water-quality conditions including estuarine nutrient concentrations. Five sampling sites in Northeast Creek were established and monitored continuously for temperature and specific conductance during May to November,...
The role of aeolian sediment in the preservation of archaeological sites in the Colorado River corridor, Grand Canyon, Arizona: Final report on research activities, 2003-2006
Amy E. Draut, David M. Rubin
2007, Open-File Report 2007-1001
This report summarizes a three-year study of aeolian sedimentary processes in the Colorado River corridor, Grand Canyon, Arizona, and discusses the relevance of those processes to the preservation of archaeological sites. Findings are based upon detailed sedimentary and geomorphic investigations conducted in three areas of the river corridor, continuous measurements...
Regional geochemical results from the reanalysis of NURE stream sediment samples -- Eagle 3 degree quadrangle, east-central Alaska
J.G. Crock, Paul H. Briggs, L. P. Gough, R. B. Wanty, Z. A. Brown
2007, Open-File Report 2007-1075
This report presents reconnaissance geochemical data for a cooperative study in the Fortymile Mining District, east-central Alaska, initiated in 1997. This study has been funded by the U.S. Geological Survey (USGS) Mineral Resources Program. Cooperative funds were provided from various State of Alaska sources through the Alaska Department of Natural...
Observations of chlorine monoxide over Scott Base, Antarctica, during the ozone hole, 1996-2005
Brian Connor, Philip Solomon, James Barrett, Thomas Mooney, Alan Parrish
2007, Open-File Report 2007-1047-SRP-077
We report observations of chlorine monoxide, ClO, in the lower stratosphere, made from Scott Base (77.85º S, 166.77º E) in springtime during each year, 1996-2005. The ClO amounts in the atmosphere are retrieved from remote measurements of microwave emission spectra. ClO column densities of up to about 2.5 × 1015...
