Publications
Publications from USGS science centers throughout the Southeast Region.
Filter Total Items: 10361
Hydrogeologic maps of the central Oklahoma aquifer, Oklahoma Hydrogeologic maps of the central Oklahoma aquifer, Oklahoma
This report presents hydrogeologic maps of the Central Oklahoma aquifer. The maps were prepared by measuring water levels in wells during the winder of 1986 and 1987; examination of geophysical logs to determine the altitudes of the top of selected geologic units and the base of fresh ground water; and compilation of existing information on the stratigraphy of selected geologic units and...
Authors
Scott C. Christenson, Robert B. Morton, Benard A. Mesander
The ground-water-level monitoring network in Iowa The ground-water-level monitoring network in Iowa
The ground-water-level monitoring network in Iowa consists of 202 wells completed in the principal bedrock and surficial aquifers that supply ground water to numerous users throughout the State. The bedrock aquifers include the Cambrian-Ordovician aquifer system, the Silurian-Devonian aquifer, the Mississippian aquifer, localized Pennsylvanian aquifers, and the Dakota aquifer. The...
Authors
R.B. Lambert
Assessment of sediment contamination at Great Lakes Areas of Concern: the ARCS Program Toxicity-Chemistry Work Group strategy Assessment of sediment contamination at Great Lakes Areas of Concern: the ARCS Program Toxicity-Chemistry Work Group strategy
In response to a mandate in Section 118(c)(3) of the Water Quality Act of 1987, a program called Assessment and Remediation of Contaminated Sediments (ARCS) was established. Four technical work groups were formed. This paper details the research strategy of the Toxicity-Chemistry Work Group. The Work Group's general objectives are to develop survey methods and to map the degree of...
Authors
P.E. Ross, G.A. Burton, E.A. Crecelius, J. C. Filkins, J. P. Giesy, C.G. Ingersoll, P.F. Landrum, M. J. Mac, T. J. Murphy, J. E. Rathbun, V. E. Smith, H. E. Tatem, R.W. Taylor
Comparison of solid-phase and pore-water approaches for assessing the quality of marine and estuarine sediments Comparison of solid-phase and pore-water approaches for assessing the quality of marine and estuarine sediments
As part of our continuing evaluation of the pore-water approach for assessing sediment quality, we made a series of side-by-side comparisons between the standard 10-day amphipod whole sediment test with the corophiid Grandidierella japonica and a suite of tests using pore water extracted from the same sediments. the pore-water tests evaluated were the sea urchin (Arbacia punctulata)...
Authors
Robert Scott Carr, Duane Chapman
Compilation of hydrologic data for the Edwards Aquifer, San Antonio area, Texas, 1991 : with 1934-91 summary Compilation of hydrologic data for the Edwards Aquifer, San Antonio area, Texas, 1991 : with 1934-91 summary
No abstract available.
Authors
D.S. Brown, B.L. Petri, G.M. Nalley
The status of loggerhead, Caretta caretta; Kemp's ridley, Lepidochelys kempi; and green, Chelonia mydas, sea turtles in U.S. waters: a reconsideration The status of loggerhead, Caretta caretta; Kemp's ridley, Lepidochelys kempi; and green, Chelonia mydas, sea turtles in U.S. waters: a reconsideration
Abstract not supplied at this time
Authors
C.K. Dodd, R.A. Byles
The Etowah: a river under siege The Etowah: a river under siege
Abstract not supplied at this time
Authors
N.M. Burkhead, J.D. Williams, B. J. Freeman
Okaloosa darter Etheostoma okaloosae Okaloosa darter Etheostoma okaloosae
Abstract not supplied at this time
Authors
N.M. Burkhead, J.D. Williams
Knowledge-based GIS: An expert system approach for managing wetlands Knowledge-based GIS: An expert system approach for managing wetlands
No abstract available
Authors
Wei Ji, James B. Johnston, Marcia McNiff, Loyd C. Mitchell
Toxicity of agricultural subsurface drainwater from the San Joaquin Valley, California to juvenile chinook salmon and striped bass Toxicity of agricultural subsurface drainwater from the San Joaquin Valley, California to juvenile chinook salmon and striped bass
Juvenile chinook salmon Oncorhynchus tshawytscha (40-50 mm total length, TL) and striped bass Morone saxatilis (30-40 mm TL) were exposed to serial dilutions (100, 50, 25, and 12.5%) of agricultural subsurface drainwater (WWD), reconstituted drainwater (RWWD), and reconstituted seawater (IO). Agricultural subsurface drainwater contained naturally elevated concentrations of major ions...
Authors
Michael K. Saiki, Mark R. Jennings, Raymond H. Wiedmeyer
Configuration of the base of the Edwards-Trinity aquifer system and hydrogeology of the underlying pre-Cretaceous rocks, west-central Texas Configuration of the base of the Edwards-Trinity aquifer system and hydrogeology of the underlying pre-Cretaceous rocks, west-central Texas
The Edwards-Trinity aquifer system is underlain by an extensive complex of rocks, ranging from Late Cambrian through Late Triassic in age, that are typically about 10 to perhaps 1,000 times less permeable than those composing the aquifer system. The Cretaceous rocks of the aquifer system are separated from the pre-Cretaceous rocks by an unconformity that spans about 60 million years of...
Authors
Rene A. Barker, Ann F. Ardis