Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

11370 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 172, results 4276 - 4300

Show results on a map

Publication Extents

Not all publications have extents, not all extents are completely accurate
Water-quality, biological, and physical-habitat conditions at fixed sites in the Cook Inlet Basin, Alaska, National Water-Quality Assessment Study Unit, October 1998-September 2001
Timothy P. Brabets, Matthew S. Whitman
2004, Scientific Investigations Report 2004-5021
The Cook Inlet Basin study unit of the U.S. Geological Survey National Water-Quality Assessment Program comprises 39,325 square miles in south-central Alaska. Data were collected at eight fixed sites to provide baseline information in areas where no development has taken place, urbanization or logging have occurred, or the effects of...
A 30-year record of surface mass balance (1966-95) and motion and surface altitude (1975-95) at Wolverine Glacier, Alaska
Lawrence R. Mayo, Dennis C. Trabant, Rod S. March
2004, Open-File Report 2004-1069
Scientific measurements at Wolverine Glacier, on the Kenai Peninsula in south-central Alaska, began in April 1966. At three long-term sites in the research basin, the measurements included snow depth, snow density, heights of the glacier surface and stratigraphic summer surfaces on stakes, and identification of the surface materials. Calculations of...
Surficial Geologic Map of the Tanacross B-6 Quadrangle, East-Central Alaska
Paul E. Carrara
2004, Scientific Investigations Map 2850
The Tanacross B-6 1:63,360-scale quadrangle, through which the Alaska Highway runs, is in east-central Alaska about 190 km west of the Yukon border. The surficial geologic mapping in the quadrangle is in support of the 'Geologic Mapping in support of land, resources and hazards issues in Alaska' Project of...
Summary and Comparison of Multiphase Streambed Scour Analysis at Selected Bridge Sites in Alaska
Jeffrey S. Conaway
2004, Scientific Investigations Report 2004-5066
The U.S. Geological Survey and the Alaska Department of Transportation and Public Facilities undertook a cooperative multiphase study of streambed scour at selected bridges in Alaska beginning in 1994. Of the 325 bridges analyzed for susceptibility to scour in the preliminary phase, 54 bridges were selected for a more intensive...
Water Quality and Streamflow of the Indian River, Sitka, Alaska, 2001-02
Edward J. Neal, Timothy P. Brabets, Steven A. Frenzel
2004, Scientific Investigations Report 2004-5023
The Indian River Basin, located near Sitka Alaska, drains an area of 12.3 square miles. This watershed is an important natural resource of Sitka National Historic Park. At the present time, the watershed faces possible development on large tracts of private land upstream of the park that could affect the...
Soil data from Picea mariana stands near delta junction, Alaska of different ages and soil drainage type
Kristen L. Manies, Jennifer W. Harden, Steven R. Silva, Paul H. Briggs, Brian M. Schmid
2004, Open-File Report 2004-1271
The U.S. Geological Survey project Fate of Carbon in Alaskan Landscapes (FOCAL) is studying the effect of fire and soil drainage on soil carbon storage in the boreal forest. This project has selected several sites to study within central Alaska of varying ages (time since fire) and soil drainage types....
Catalog of earthquake hypocenters at Alaskan volcanoes: January 1 through December 31, 2003
James P. Dixon, Scott D. Stihler, John A. Power, Guy Tytgat, Seth C. Moran, John J. Sanchez, Stephen R. McNutt, Steve Estes, John Paskievitch
2004, Open-File Report 2004-1234
The Alaska Volcano Observatory (AVO), a cooperative program of the U.S. Geological Survey, the Geophysical Institute of the University of Alaska Fairbanks, and the Alaska Division of Geological and Geophysical Surveys, has maintained seismic monitoring networks at historically active volcanoes in Alaska since 1988. The primary objectives of this program...
Size-frequency analysis of petroleum accumulations in selected United States plays: potential analogues for frontier areas
Emil D. Attanasi, Philip A. Freeman
2004, Open-File Report 2004-1299
This report presents the petroleum accumulation size-frequency relationships of selected mature plays assessed in the U.S. Geological Survey's 1995 National Assessment of Oil and Gas Resources. The plays provide assessors with potential analogue models from which to estimate the numbers of undiscovered accumulations in medium and smaller size categories. Each...
The Alaska Volcano Observatory - Expanded monitoring of volcanoes yields results
Steven R. Brantley, Robert G. McGimsey, Christina A. Neal
2004, Fact Sheet 2004-3084
Recent explosive eruptions at some of Alaska's 52 historically active volcanoes have significantly affected air traffic over the North Pacific, as well as Alaska's oil, power, and fishing industries and local communities. Since its founding in the late 1980s, the Alaska Volcano Observatory (AVO) has installed new monitoring networks and...
Geology of the Ugashik-Mount Peulik Volcanic Center, Alaska
Thomas P. Miller
2004, Open-File Report 2004-1009
The Ugashik-Mount Peulik volcanic center, 550 km southwest of Anchorage on the Alaska Peninsula, consists of the late Quaternary 5-km-wide Ugashik caldera and the stratovolcano Mount Peulik built on the north flank of Ugashik. The center has been the site of explosive volcanism including a caldera-forming eruption and post-caldera dome-destructive...
Alaska coal geology, resources, and coalbed methane potential
Romeo M. Flores, Gary D. Stricker, Scott A. Kinney
2004, Data Series 77
Estimated Alaska coal resources are largely in Cretaceous and Tertiary rocks distributed in three major provinces. Northern Alaska-Slope, Central Alaska-Nenana, and Southern Alaska-Cook Inlet. Cretaceous resources, predominantly bituminous coal and lignite, are in the Northern Alaska-Slope coal province. Most of the Tertiary resources, mainly lignite to subbituminous coal with minor...
Magnetic Properties of Quaternary Deposits, Kenai Peninsula, Alaska -- Implications for Aeromagnetic Anomalies of Upper Cook Inlet
R. W. Saltus, Peter J. Haeussler
2004, Open-File Report 2004-1202
We measured magnetic susceptibilities of exposed Quaternary deposits on several beach cliffs and river banks on the Kenai Peninsula near Soldotna, Alaska. Data, descriptions, and photos from nine sites are included in this report. The mean susceptibility for Quaternary materials in this region is approximately 2.5 x 10-3 SI units....
Geologic and Fossil Locality Maps of the West-Central Part of the Howard Pass Quadrangle and Part of the Adjacent Misheguk Mountain Quadrangle, Western Brooks Range, Alaska
James H. Dover, Irvin L. Tailleur, Julie A. Dumoulin
2004, Miscellaneous Field Studies Map 2413
The map depicts the field distribution and contact relations between stratigraphic units, the tectonic relations between major stratigraphic sequences, and the detailed internal structure of these sequences. The stratigraphic sequences formed in a variety of continental margin depositional environments, and subsequently underwent a...
Development of a 2001 National Land Cover Database for the United States
Collin G. Homer, Chengquan Huang, Limin Yang, Bruce K. Wylie, Michael Coan
2004, Photogrammetric Engineering and Remote Sensing (70) 829-840
Multi-Resolution Land Characterization 2001 (MRLC 2001) is a second-generation Federal consortium designed to create an updated pool of nation-wide Landsat 5 and 7 imagery and derive a second-generation National Land Cover Database (NLCD 2001). The objectives of this multi-layer, multi-source database are two fold: first, to provide consistent land cover...
Geophysical investigation of the Denali fault and Alaska Range orogen within the aftershock zone of the October–November 2002, M = 7.9 Denali fault earthquake
Michael A. Fisher, Warren J. Nokleberg, N. A. Ratchkovski, Louise Pellerin, Jonathan M.G. Glen, Thomas M. Brocher, J. Booker
2004, Geology (32) 269-272
The aftershock zone of the 3 November 2002, M = 7.9 earthquake that ruptured along the right-slip Denali fault in south-central Alaska has been investigated by using gravity and magnetic, magnetotelluric, and deep-crustal, seismic reflection data as well as outcrop geology and earthquake seismology. Strong seismic reflections from within the...
Geophysical data reveal the crustal structure of the Alaska range orogen within the aftershock zone of the Mw 7.9 Denali fault earthquake
M. A. Fisher, N. Ratchkovski, Warren Nokleberg, Louise Pellerin, Jonathan M.G. Glen
2004, Bulletin of the Seismological Society of America (94) S107-S131
Geophysical information, including deep-crustal seismic reflection, magnetotelluric (mt), gravity, and magnetic data, cross the aftershock zone of the 3 November 2002 Mw 7.9 Denali fault earthquake. These data and aftershock seismicity, jointly interpreted, reveal the crustal structure of the right-lateral-slip Denali fault and the eastern Alaska Range orogen, as well as...
Water quality in the Cook Inlet Basin Alaska, 1998-2001
Roy L. Glass, Timothy P. Brabets, Steven A. Frenzel, Matthew S. Whitman, Robert T. Ourso
2004, Circular 1240
This report contains the major findings of a 1998?2001 assessment of water quality in the Cook Inlet Basin. It is one of a series of reports by the National Water-Quality Assessment (NAWQA) Program that present major findings in 51 major river basins and aquifer systems across the Nation. In these...