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185099 results.

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Page 3457, results 86401 - 86425

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Physical characteristics of dungeness crab and halibut habitats in Glacier Bay
Guy R. Cochrane, Paul R. Carlson, Jane F. Denny, Michael E. Boyle, S. James Taggart, Philip N. Hooge
1998, Open-File Report 98-791
In Glacier Bay National Park, Alaska there are ongoing studies of Dungeness Crab (Cancer magister) and Pacific Halibut (Hippoglosus stenolepis). Scientists of the United States Geological Survey (USGS) are attempting to ascertain life history, distribution, and abundance, and to determine the effects of commercial fishing in the park (Carlson et...
Publications of the Volcano Hazards Program 1997
Manuel Nathenson
1998, Open-File Report 98-618
The Volcano Hazards Program of the U.S. Geological Survey (USGS) is part of the Geologic Hazards Assessments subactivity as funded by Congressional appropriation. Investigations are carried out in the Geologic and Water Resources Divisions of the USGS and with cooperators at the Alaska Division of Geological and Geophysical Surveys, University...
Slope maps of the San Francisco Bay region, California: A digital database
Scott E. Graham, Richard J. Pike
1998, Open-File Report 98-766
PREFACE: Topography, the configuration of the land surface, plays a major role in various natural processes that have helped shape the ten-county San Francisco Bay region and continue to affect its development. Such processes include a dangerous type of landslide, the debris flow (Ellen and others, 1997) as well...
Magnitude and frequency of the floods of January 1997 in northern and central California; preliminary determinations
Richard A. Hunrichs, David A. Pratt, Robert W. Meyer
1998, Open-File Report 98-626
Preliminary determinations of the magnitude and frequency of peak flows resulting from the storms of December 1996 and January 1997 were made at 292 streamflow gaging stations located in 45 counties in northern and central California. Peak flows were the largest on record at 106 stations, and recurrence intervals were...
Evaluation of chemical data from selected sites in the Surface-Water Ambient Monitoring Program (SWAMP) in Florida
B. G. Katz, J.J. Collins
1998, Open-File Report 98-559
A cooperative study between the Florida Department of Environmental Protection (FDEP) and the U.S. Geological Survey was conducted to assess the integrity of selected water-quality data collected at 150 sites in the FDEP Surface-Water Ambient Monitoring Program (SWAMP) in Florida. The assessment included determining the consistency of the water-quality data...
Catalog of the historically active volcanoes of Alaska
T. P. Miller, R. G. McGimsey, D.H. Richter, J.R. Riehle, C.J. Nye, M. E. Yount, Julie A. Dumoulin
1998, Open-File Report 98-582
Alaska hosts within its borders over 80 major volcanic centers that have erupted during Holocene time (< 10,000 years). At least 29 of these volcanic centers (table 1) had historical eruptions and 12 additional volcanic centers may have had historical eruptions. Historical in Alaska generally means the period since 1760...
Table-top earthquakes; a demonstration of seismology for teachers and students that can be used to augment lessons in earth science, physics, math, social studies, geography
J.C. Lahr
1998, Open-File Report 98-767
The apparatus consists of a heavy object that is dragged steadily with an elastic cord. Although pulled with a constant velocity, the heavy object repeatedly slides and then stops. A small vibration sensor, attached to a computer display, graphically monitors this intermittent motion. 2 This intermittent sliding motion mimics the...