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libvaxdata: VAX data format conversion routines
Lawrence M. Baker
2005, Open-File Report 2005-1424
libvaxdata provides a collection of routines for converting numeric data-integer and floating-point-to and from the formats used on a Digital Equipment Corporation1 (DEC) VAX 32-bit minicomputer (Brunner, 1991). Since the VAX numeric data formats are inherited from those used on a DEC PDP-11 16-bit minicomputer, these routines can be used...
USGS Releases New Digital Aerial Products
Water Resources Division, U.S. Geological Survey
2005, Fact Sheet 2005-3074
The U.S. Geological Survey (USGS) Center for Earth Resources Observation and Science (EROS) has initiated distribution of digital aerial photographic products produced by scanning or digitizing film from its historical aerial photography film archive. This archive, located in Sioux Falls, South Dakota, contains thousands of rolls of film that contain...
Geochemical Analyses of Geologic Materials from Areas of Critical Environmental Concern, Clark and Nye Counties, Nevada
Steve Ludington, Stephen B. Castor, James R. Budahn, Kathryn S. Flynn
2005, Open-File Report 2005-1450
INTRODUCTION An assessment of known and undiscovered mineral resources of selected areas administered by the Bureau of Land Management (BLM) in Clark and Nye Counties, Nevada was conducted by the U.S. Geological Survey (USGS), Nevada Bureau of Mines and Geology (NBMG), and University of Nevada, Las Vegas (UNLV). The purpose of...
Digital method for regional mapping of surficial basin deposits in arid regions, example from central Death Valley, Inyo County, California
A. S. Jayko, C.M. Menges, R. A. Thompson
2005, Open-File Report 2005-1445
Derivative maps generated from DEM's and panchromatic remote sensing data (TM Landsat 7 or SPOT) can be used to characterize surficial basin deposits in arid regions dominated by basin and range topography. Results indicate the technique is useful for rapid digital mapping of surficial deposits where a first order, systematic...
Studies by the U.S. Geological Survey in Alaska, 2004
Peter J. Haeussler, John P. Galloway
2005, Professional Paper 1709
The collection of six papers that follow continues the series of U.S. Geological Survey (USGS) investigative reports in Alaska under the broad umbrella of the geologic sciences. This series represents new and sometimes-preliminary findings that are of interest to Earth scientists in academia, government, and industry; to land and resource...
26 km of offset on the Lake Clark fault since late Eocene time
Peter J. Haeussler, Richard W. Saltus
2005, Professional Paper 1709-A
Aeromagnetic data over the Lake Clark Fault reveal a north-trending band of magnetic anomalies that are right-laterally offset about 26 km across the fault. The magnetic anomalies correlate spatially with a belt of dated 34-39-Ma granitic plutons. Thus, the Lake Clark Fault has had ~26 km of right-lateral offset in...
Hawaiian Volcano Observatory seismic data, January to December 2004
Jennifer S. Nakata
2005, Open-File Report 2005-1315
The Hawaiian Volcano Observatory (HVO) summary presents seismic data gathered during the year. The seismic summary is offered without interpretation as a source of preliminary data. It is complete in the sense that most data for events of M≥1.5 routinely gathered by the Observatory are included. The HVO summaries have been...