Historical changes in streamflows, channel morphology, and riparian vegetation of the Rio Grande downstream of Brownsville, Texas
J. Bruce Moring, Rita Setser
2000, Fact Sheet 074-00
The Rio GrandefRio Bravo drains an area of more than 440,300 square kilometers of Mexico and southwestern United States (Bartlett. 1984). The Rio Grande flows for 3,000 kilometers from its headwaters in the San Juan Mountains of southern Colorado to the Gulf of Mexico downstream of Brownsville, Texas. The "Rio,"...
Ecosystem history of Florida Bay
Water Resources Division, U.S. Geological Survey
2000, Fact Sheet 144-96
In the past decade seagrass die-offs, algal blooms, and declining numbers of shellfish and sponges have occurred in Florida Bay. These changes have been attributed to human activities; however, neither the natural patterns of change, nor the pre-human baseline for the environment have been determined. Currently, efforts are underway to...
Ecosystem history of Biscayne Bay and the southeast coast
Scott E. Ishman
2000, Fact Sheet 145-96
OverviewThe U.S. Geological Survey is participating in a multi-institutional effort to assess, monitor, and restore the ecosystem of South Florida. Federal, State and local agencies are collaborating to establish a firm scientific basis for land management and water policy issues. Historical changes in South Florida related to rapid population growth...
Alaska resource data file: Umnak quadrangle
Steven H. Pilcher
2000, Open-File Report 2000-118
No abstract available....
Flood of July 8, 1999, in Las Vegas Valley, southern Nevada
Daron J. Tanko, Richard L. Kane
2000, Fact Sheet 080-00
Estuarine water-quality and sediment data, and surface-water and ground-water-quality data, Naval Submarine Base Kings Bay, Camden County, Georgia, January 1999
David C. Leeth, Owen G. Holloway
2000, Open-File Report 2000-75
In January 1999, the U.S. Geological Survey collected estuarine-water, estuarine-sediment, surface-water, and ground-water quality samples in the vicinity of Naval Submarine Base Kings Bay, Camden County, Georgia. Data from these samples are used by the U.S. Navy to monitor the impact of submarine base activities on local water resources. Estuarine...
Strontium and oxygen isotopic data and age for the layered gabbroic Dufek Intrusion, Antarctica
Ronald Wayne Kistler, L. D. White, Arthur B. Ford
2000, Open-File Report 2000-133
check_picks_x: A program for checking the travel time picks of crosswell seismic and radar data
Karl Ellefsen
2000, Open-File Report 2000-109
No abstract available....
Analytical data for reconnaissance geochemical samples from mine dumps, stream sediments and waters at the Thompson Creek Tungsten Mine, Custer County, Idaho
B. S. Van Gosen, R. G. Eppinger, J. M. Hammarstrom, Paul H. Briggs, J.G. Crock, C. Gent, A. L. Meier, S. J. Sutley, P. M. Theodorakos
2000, Open-File Report 2000-239
The Thompson Creek mine is an inactive and abandoned tungsten mine located along Thompson Creek about 10.5 miles (17 km) northwest of Clayton, Idaho (see location map in file LOCATION.PDF). The mine consisted initially of open pit mining of outcrops and later of underground workings accessed by a single adit....
An evaluation of the global 1-km AVHRR land dataset
P.M. Teillet, N. El Saleous, M.C. Hansen, Jeffery C. Eidenshink, C.O. Justice, J.R.G. Townshend
2000, International Journal of Remote Sensing (21) 1987-2021
This paper summarizes the steps taken in the generation of the global 1-km AVHRR land dataset, and it documents an evaluation of the data product with respect to the original specifications and its usefulness in research and applications to date. The evaluation addresses data characterization, processing, compositing and handling issues....
Minerals in our environment
Judy Weathers, John Galloway, Dave Frank
2000, Open-File Report 2000-144
Minerals are found everywhere in our daily lives. This poster depicts numerous items found throughout a home, and the mineral(s) or mineral resources used in the ingredients of, or construction/manufacturing of those items. Designed for K-8 Teachers this poster can be scaled and is printable at 36" x 60" and...
Volcano hazards of the Lassen Volcanic National Park area, California
Michael A. Clynne, Robert L. Christiansen, C.D. Miller, P.H. Stauffer, James W. Hendley II
2000, Fact Sheet 022-00
Depth to bedrock in the upper San Pedro Valley, Cochise County, southeastern Arizona
M. E. Gettings, Brenda B. Houser
2000, Open-File Report 2000-138
The thickness, distribution, and character of alluvial sediments that were deposited in the structural subbasins of the upper San Pedro basin in southeastern Arizona during the late Cenozoic provide important constraints on ground-water availability of the area. Two sedimentary units are recognized; the Oligocene and Miocene Pantano(?) Formation and an...
Preliminary release of scientific reports on the acidic drainage in the Animas River watershed, San Juan County, Colorado
S. E. Church
2000, Open-File Report 2000-34
No abstract available....
Selected hydrologic data, through water year 1998, Black Hills Hydrology Study, South Dakota
Daniel G. Driscoll, Wendell L. Bradford, Michael J. Moran
2000, Open-File Report 2000-70
This report presents water-level and water-quality data that have been collected or compiled, through water year 1998, for the Black Hills Hydrology Study. This study is a long-term coop-erative effort between the U.S. Geological Survey, the South Dakota Department of Environment and Natural Resources, and the West Dakota Water Development...
Preliminary model of the pre-Tertiary basement rocks beneath Yucca Flat, Nevada Test Site, Nevada, based on analysis of gravity and magnetic data
Geoffrey A. Phelps, Edwin H. McKee, D. Sweetkind, V.E. Langenheim
2000, Open-File Report 2000-134
The Environmental Restoration Program of the U.S. Department of Energy, Nevada Operations Office, was developed to investigate the possible consequences to the environment of 40 years of nuclear testing on the Nevada Test Site. The majority of the tests were detonated underground, introducing contaminants into the ground-water system (Laczniak and...
Computer programs for limit-equilibrium slope-stability analyses FelleniusGS, BishopGS, and JanbuGS
Rex L. Baum
2000, Open-File Report 2000-107
Preliminary evaluation of the coalbed methane resources of the Gulf Coastal Plain
Peter D. Warwick, C.E. Barker, J.R. SanFilipo, L.R. Biewick
2000, Open-File Report 2000-143
Geochemical baselines of stream and spring waters and rankings of the potential release of total dissolved solids and resistance to introduced acidity from watersheds underlain by four rock compositional types from the Humboldt River basin, Nevada
W. Roger Miller
2000, Open-File Report 2000-161
Trace elements and semi-volatile organic compounds in bed sediments from streams and impoundments at Fort Gordon, Georgia
James B. McConnell, T. C. Stamey, H.H. Persinger Jr., K.W. McFadden
2000, Open-File Report 2000-87
In May 1998, the U.S. Geological Survey, in cooperation with the Environmental and Natural Resources Management Office of the U.S. Army Signal Center and Fort Gordon, investigated the presence and disbursal of trace elements and semi-volatile organic compounds in bed sediments from selected streams and impoundments at the Fort Gordon...
Dataset of aggregate producers in New Mexico
Greta J. Orris
2000, Open-File Report 2000-11-B
This report presents data, including latitude and longitude, for aggregate sites in New Mexico that were believed to be active in the period 1997-1999. The data are presented in paper form in Part A of this report and as Microsoft Excel 97 and Data Interchange Format (DIF) files in Part...
Mercury studies in the Florida Everglades
David P. Krabbenhoft
2000, Fact Sheet 166-96
Public concern for wildlife and human health problems due to mercury (Hg) toxicity has increased substantially since the mid-1980's. These concerns are manifested primarily by the issuance of fish consumption advisories in the majority of U.S. states, Canada, and several European countries because of high levels of mercury in game...
Three aeromagnetic surveys in south central Arizona: A web site for distribution of data
Water Resources Division, U.S. Geological Survey
2000, Open-File Report 2000-155
No abstract available. ...
Stratigraphy and tectonic history of the Tucson Basin, Arizona, based on re-examination of cuttings and geophysical logs of the Exxon State (32)-1 well
B. B. Houser, M. E. Gettings
2000, Open-File Report 2000-139
Acoustic mapping of the regional seafloor geology in and around Hawaiian ocean dredged-material disposal sites
Michael E. Torresan, James V. Gardner
2000, Open-File Report 2000-124
During January and February 1998 the U.S. Geological Survey Coastal and Marine Geology Team (USGS) conducted regional high-resolution multibeam mapping surveys of the area surrounding EPA-designated ocean disposal sites located offshore of the Hawaiian Islands of Oahu, Kauai, Maui, and Hawaii. The sites are all located within 5 nautical miles...
