Seismograms live from around the world
Robert L. Woodward, Kaye M. Shedlock, Harold F. Bolton
1999, Fact Sheet 176-99
You can view earthquakes as they happen! Seismograms from seismic stations around the world are broadcast live, via the Internet, and are updated every 30 minutes, With an Internet connection and a web browser, you can view current seismograms and earthquake locations on your own computer. With special software also...
Water-Level Changes, 1980 to 1997, and Saturated Thickness, 1996-97, In the High Plains Aquifer
Virginia L. McGuire, B.C. Fischer, C.P. Stanton
1999, Fact Sheet 124-99
The High Plains aquifer underlies one of the major agricultural regions in the world, including parts of eight States--Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming. In the area underlain by the High Plains aquifer (called the High Plains region in this report), the total number of...
The October 17, 1989, Loma Prieta, California, earthquake: selected photographs
John K. Nakata, C.E. Meyer, H. G. Wilshire, J. C. Tinsley III, W.S. Updegrove, D.M. Peterson, S. D. Ellen, R. A. Haugerud, R. J. McLaughlin, G.R. Fisher, M. F. Diggles
1999, Data Series 29
This CD-ROM contains 103 digitized color 35-mm images from Open-File Report 90-547 (Nakata and others, 1990). Our photographic coverage reflects the time and resources available immediately after the event and is not intended to portray the full extent of earthquake damage. This CD-ROM provides images for use by the interested...
Earthquake probabilities in the San Francisco Bay region: 2000 to 2030 - A summary of findings
Working Group on California Earthquake Probabilities
1999, Open-File Report 99-517
The San Francisco Bay region sits astride a dangerous “earthquake machine,” the tectonic boundary between the Pacific and North American Plates. The region has experienced major and destructive earthquakes in 1838, 1868, 1906, and 1989, and future large earthquakes are a certainty. The ability to prepare for large earthquakes is...
Geochemical data for stream-sediment, lagoon-sediment, heavy-mineral-concentrate, water, and rock samples collected in the western part of the Teller 2 x 3 degree quadrangle, Alaska
C.C. Parnow, K.D. Kelley, R.J. Goldfarb, A. L. Meier
1999, Open-File Report 99-528
Upgrade to MODFLOW-GUI; addition of MODPATH, ZONEBDGT, and additional MODFLOW packages to the U.S. Geological Survey MODFLOW-96 Graphical-User Interface
R.B. Winston
1999, Open-File Report 99-184
This report describes enhancements to a Graphical-User Interface (GUI) for MODFLOW-96, the U.S. Geological Survey (USGS) modular, three-dimensional, finitedifference ground-water flow model, and MOC3D, the USGS three-dimensional, method-ofcharacteristics solute-transport model. The GUI is a plug-in extension (PIE) for the commercial program Argus ONEe. The GUI has been modified to support...
Real-time water-quality monitoring for protection of wildlife at Quivira National Wildlife Refuge, South-Central Kansas
Victoria G. Christensen
1999, Fact Sheet 182-99
Stream stage and discharge and the quality of water flowing from Rattlesnake Creek into the Quivira National Wildlife Refuge in south-central Kansas are being monitored by the U.S. Geological Survey in cooperation with the U.S. Fish and Wildlife Service using an innovative, real-time monitoring approach. Continuously recorded data and data...
An interpretation of the aeromagnetic and gravity data and derivative maps of the Craig and Dixon Entrance 1°x 3° quadrangles and the western edges of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska
Jeffrey C. Wynn, R.P. Kucks, D. J. Grybeck
1999, Data Series 56
The U.S. Geological Survey (USGS) is required by the Alaska National Interest Lands Conservation Act (ANILCA, Public Law 96-487) to survey certain Federal lands to determine their mineral resource potential. As part of continuing studies designed to fulfill this responsibility, geochemical, geological and geophysical surveys of the Craig and Dixon...
U.S. Geological Survey combined well-bore flow and depth-dependent water sampler
John A. Izbicki, Allen H. Christensen, Randall T. Hanson, Peter Martin, Steven M. Crawford, Gregory A. Smith
1999, Fact Sheet 196-99
The U.S. Geological Survey has developed a combined well-bore flow and depth-dependent sample collection tool. It is suitable for use in existing production wells having limited access and clearances as small as 1 inch. The combination of well-bore flow and depth-dependent water-quality data is especially effective in assessing changes in...
Floods of June 28-29, 1998 in Ohio
G. F. Koltun
1999, Water-Resources Investigations Report 99-4192
During a 96-hour period extending from June 26 to June 30, 1998, a stalled frontal system produced a series of storms that dumped 10 inches or more of rain on parts of Ohio. The storms occurred at the end of a relatively wet month, resulting in flooding and widespread damage...
Results of nitrate sampling in the Torrington, Wyoming, Wellhead Protection Area, 1994-98
C. A. Eddy-Miller, Gary Gerhard
1999, Water-Resources Investigations Report 99-4164
A monitoring program for nitrate in ground water in and near Torrington, Wyoming was conducted by the Town of Torrington from April 1994 through March 1997, and cooperatively by the Town of Torrington and the U.S. Geological Survey from May 1997 through August 1998. Trends in nitrate concentrations were determined...
Summary of information on synthetic organic compounds and trace elements in tissue of aquatic biota, Clark Fork-Pend Oreille and Spokane River basins, Montana, Idaho, and Washington, 1974-96
Terry R. Maret, DeAnn M. Dutton
1999, Water-Resources Investigations Report 98-4254
As part of the Northern Rockies Intermontane Basins study of the National Water-Quality Assessment Program, data collected between 1974 and 1996 were compiled to describe contaminants in tissue of riverine species. Tissue-contaminant data from 11 monitoring programs and studies representing 28 sites in the study area were summarized. Tissue-contaminant data...
Hawaiian Volcano Observatory; summary 93, part I; seismic data, January to December 1993
J. S. Nakata, P. G. Okubo, A. H. Tomori, W. R. Tanigawa, T. Mattox, C. Heliker, Margaret Mangan
1999, Open-File Report 99-415
No abstract available....
1999 Resource assessment of selected Tertiary coal beds and zones in the northern Rocky Mountains and Great Plains region
Fort Union Coal Assessment Team, USGS Energy Resources Team
1999, Professional Paper 1625-A
The USGS has assessed resources of selected coal of the Fort Union Formation and equivalent units in the Northern Rocky Mountains and Great Plains region. The assessment focused on coal in the Powder River, Williston, Hanna-Carbon, and Greater Green River basins most likely to be utilized in the next few...
Hydrology of the coastal lowlands aquifer system in parts of Alabama, Florida, Louisiana, and Mississippi
Angel Martin Jr., C. D. Whiteman Jr.
1999, Professional Paper 1416-H
Existing data on water levels, water use, water quality, and aquifer properties were used to construct a multilayer digital model to simulate flow in the aquifer system. The report describes the geohydrologic framework of the aquifer system, and the development, calibration, and sensitivity analysis of the ground-water-flow model, but it...
Principal facts for gravity stations and physical property measurements in the Lake Mead 30' by 60' quadrangle, Nevada and Arizona
V.E. Langenheim, J. G. Davidson, M.L. Anderson, H. R. Blank Jr.
1999, Open-File Report 99-435
The U.S. Geological Survey (USGS) collected 811 gravity stations on the Lake Mead 30' by 60' quadrangle from October, 1997 to September, 1999. These data were collected in support of geologic mapping of the Lake Mead quadrangle. In addition to these new data, gravity stations were compiled from a number...
Geochemical data for environmental studies of mineral deposits at Nabesna, Kennecott, Orange Hill, Bond Creek, Bremner, and Gold Hill, Wrangell-St. Elias National Park and Preserve, Alaska
R. G. Eppinger, Paul H. Briggs, D. S. Rosenkrans, Vanessa Ballestrazze, Jose Aldir, Z. A. Brown, J.G. Crock, W. M. d’Angelo, M. W. Doughten, D.L. Fey, P. L. Hageman, R.T. Hopkins, R. J. Knight, M.J. Malcolm, J. B. McHugh, A. L. Meier, J. M. Motooka, R. M. O’Leary, B. H. Roushey, S.J. Sultley, P. M. Theodorakos, S. A. Wilson
1999, Open-File Report 99-342
Environmental geochemical investigations were carried out between 1994 and 1997 in Wrangell-St. Elias National Park and Preserve (WRST), Alaska. Mineralized areas studied include the historic Nabesna gold mine/mill and surrounding areas; the historic Kennecott copper mill area and nearby Bonanza, Erie, Glacier, and Jumbo mines; the historic mill and gold...
Alaska resource data file: Blying Sound quadrangle
Jeff Huber
1999, Open-File Report 99-392
No abstract available....
Assessing environmental contaminant threats to lands and biota managed by the U.S. Fish and Wildlife Service
James Coyle, Craig Moore, R. Sky Bristol, Mary G. Henry, Tim Hall, Tim Kubiak
1999, Open-File Report 99-108
The Contaminant Assessment Process (CAP) is a standardized approach for documenting and assessing threats posed by environmental contaminants to lands and biota managed by the Department of the Interior (DOI). The Biomonitoring of Environmental Status and Trends (BEST) Program of the U.S. Geological Survey Biological Resources Division (USGS/BRD) developed the...
Alaska aeromagnetic compilation: Digital grids and survey data
R. W. Saltus, G. Connard, P. L. Hill
1999, Open-File Report 99-502
No abstract available....
Central West Antarctica aeromagnetic data; a web site for distribution of data and maps (paper edition)
R. E. Sweeney, C. A. Finn, D. D. Blankenship, R.E. Bell, John C. Behrendt
1999, Open-File Report 99-420
Preliminary geologic map of the San Jose 30 X 60-minute quadrangle, California: A digital database
Carl M. Wentworth, M. Clark Blake Jr., Robert J. McLaughlin, Russell W. Graymer
1999, Open-File Report 98-795
No abstract available....
Digital geologic map of part of the Thompson Falls 1:100,000 quadrangle, Idaho
Reed S. Lewis, Pamela D. Derkey
1999, Open-File Report 99-438
The geology of the Thompson Falls 1:100,000 quadrangle, Idaho was compiled by Reed S. Lewis in 1997 onto a 1:100,000-scale greenline mylar of the topographic base map for input into a geographic information system (GIS). The resulting digital geologic map GIS can be queried in many ways to produce a...
Microfossil and stable isotope data from the last interglacial records of Ocean Drilling Program (ODP) sites 1018 and 1020
R.Z. Poore, H.J. Dowsett, J.A. Barron, L. Heusser, A. C. Ravelo, A. Mix, A. McMahon
1999, Open-File Report 99-397
Seismic-reflection surveys of the Blake Ridge, R/V Cape Hatteras 1992 and 1995: Data acquisition, navigation, and processing
Michael H. Taylor, William P. Dillon, Christopher H. Anton, William W. Danforth
1999, Open-File Report 99-372
As part of an ongoing study, seismic-reflection profiles were collected over the Blake Ridge in 1992 and 1995, in order to map the volume and distribution of methane hydrate. Faulting and seafloor instabilities appear to be related to methane hydrate processes at the Blake Ridge. Seismic profiles display a prominent...
