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183 Titles Match Your Query
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1. Geologic Map and Digital Database of the Porcupine Wash 7.5 minute Quadrangle, Riverside County, California, USGS OFR 01-30 [USGS_OFR01-30]
The data set for the Porcupine Wash quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and ...


2. Gulf of Mexico Marine Geology and Geophysics from Field Activity: A-1-97-GM: East Flower Garden Bank bathymetry and backscatter data [USGS_DDS-55_EF]
Accurate base maps are a prerequisite for any geological study, regardless of the objectives. Land-based studies commonly utilize aerial photographs, USGS 7.5-minute quadrangle maps, and satellite ...


3. Preliminary Geologic Map of Kanaga Volcano, Alaska [USGS_OFR_2003_113]
Kanag a Volcano is a 1,300 m (4,287-foot) high, historically active cone-shaped stratovolcano located on the north end of Kanaga Island in the Andreanof Islands Group of the Aleutian Islands. The ...


4. Preliminary geologic map of the northeast Dillingham quadrangle (D-1, D-2, C-1, and C-2), Alaska [USGS_OFR_2003_105]
This map with associated digital databases result from bedrock field mapping conducted in September 2000 and August 2001. Surficial deposits are mapped mostly from air photo interpretation with limited ...


5. Seismic Landslide Hazard for the Cities of Oakland and Piedmont, California [USGS_Map_MF-2379]
The map is intended as a tool for regional planning. Any site-specific planning or analysis should be undertaken with the assistance of a qualified geotechnical engineer. This hazard map should ...


6. 2005 Hydrographic Survey of South San Francisco Bay, California [USGS_OFR_2007_1169]
An acoustic hydrographic survey of South San Francisco Bay (South Bay) was conducted in 2005. Over 20 million soundings were collected within an area of approximately 250 sq km (97 sq mi) of the bay ...


7. A 30-Year Record of Surface Mass Balance (1966-95) and Motion and Surface Altitude (1975-95) at Wolverine Glacier, Alaska [USGS_OFR_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, ...


8. Aeromagnetic Survey of Dillingham Area in Southwest Alaska, A Website for the Preliminary Distribution of Data [USGS_OFR_2006_1136]
This is a USGS Open-File-Report for the preliminary release of aeromagnetic data collected in the Dillingham Area of Southwest Alaska and associated contractor reports. An airborne high-resolution ...


9. Assessment of Hazards Associated with the Bluegill Landslide, South-Central Idaho [USGS_OFR_2004_1054]
The Bluegill landslide, located in south-central Idaho, is part of a larger landslide complex that forms an area in the Salmon Falls Creek drainage named Sinking Canyon. The landslide is on public ...


10. Bathymetry and Acoustic Backscatter of Crater Lake, Oregon from Field Activity: S-1-00-OR [USGS_DDS-72]
These data are intended for science researchers, students, policy makers, and the general public. The data can be used with geographic information systems (GIS) or other software to display bathymetry ...


11. Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan [USGS_OFR_2003_120]
Bathymetry and selected perspective views of 6 reef and coastal areas in Northern Lake Michigan involves applying state of the art laser technology and derivative imagery to map the detailed morphology ...


12. Bathymetry, Substrate and Circulation in Westcott Bay, San Juan Islands, Washington [USGS_OFR_2007_1305]
Nearshore bathymetry, substrate type, and circulation patterns in Westcott Bay, San Juan Islands, Washington, were mapped using two acoustic sonar systems, video and direct sampling of seafloor sediments. ...


13. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2002 [USGS_OFR_2003_267]
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 ...


14. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1 through December 31, 2003 [USGS_OFR_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 ...


15. Catalog of Earthquake Hypocenters at Alaskan Volcanoes: January 1,1994 through December 31, 1999; USGS [EARTH_INT_USGS_S_AK_EARTHQUAKES]
Between 1994 and 1999, the Alaska Volcano Observatory (AVO) seismic monitoring program underwent significant changes with networks added at new volcanoes during each summer from 1995 through ...


16. Catalog of Mount St. Helens 2004 - 2005 Tephra Samples with Major- and Trace-Element Geochemistry [USGS_OFR_2008_1131]
This open-file report presents a catalog of information about 135 ash samples along with geochemical analyses of bulk ash, glass and individual mineral grains from tephra deposited as a result of ...


17. Catalog of Mount St. Helens 2004-2007 Dome Samples with Major- and Trace-element Chemistry [USGS_OFR_2008_1130]
Sampling and analysis of eruptive products at Mount St. Helens is an integral part of volcano monitoring efforts conducted by the U.S. Geological Survey's Cascades Volcano Observatory (CVO). The objective ...


18. Chemical Composition of Samples Collected from Waste Rock Dumps and Other Mining-Related Features at Selected Phosphate Mines USGS OFR 01-411 [USGS_OFR01-411]
Chemical Composition of Samples Collected from Waste Rock Dumps and Other Mining-Related Features at Selected Phosphate Mines in Southeastern Idaho, Western Wyoming, and Northern Utah The sampling ...


19. Chromite Deposits in Stillwater Complex, Sweet Grass Co., MT: A Digital Database for the Geologic Map of the East Slope of Iron Mountain, USGS OFR 01-321 [USGS_OFR01-321]
This data set was developed to provide a geologic map GIS of the east slope of Iron Mountain, Sweet Grass County, Montana for use in future spatial analysis by a variety of users. These data can ...


20. Climate Variation at Flagstaff, Arizona 1950 to 2007 [USGS_OFR_2007_1410]
Flagstaff is becoming warmer and drier. Estimated average-daily temperatures of the Flagstaff area are 2.3-degrees warmer since 1970 and annual precipitation at Flagstaff has been below average for ...


21. Coastal Change Rates and Patterns: Kaloko-Honokohau National Historical Park, Hawaii [USGS_OFR_2005_1069]
A collaborative project between the U.S. Geological Survey's Coastal and Marine Geology Program and the National Park Service (NPS) has been developed to create an inventory of geologic ...


22. Coastal Processes Study at Ocean Beach, San Francisco, CA: Summary of Data Collection 2004-2006 [USGS_OFR_2007_1217]
Ocean Beach in San Francisco, California, contains a persistent erosional section in the shadow of the San Francisco ebb tidal delta and south of Sloat Boulevard that threatens valuable public infrastructure ...


23. Contribution of Atmospheric Deposition to Pesticide Loads in Surface Water Runoff [USGS_OFR_2005_1307]
A 3.5-year study was conducted to determine the signifcance of atmospheric deposition to the pesticide concentrations in runoff. Both wet and dry atmospheric depostion were collected at six sites ...


24. Cross-Sections and Maps Showing Double-Difference Relocated Earthquakes from 1984-2000 along the Hayward and Calaveras Faults, California [USGS_OFR_2004_1083]
This report present a cross-section and map views of earthquakes that occurred from 1984 to 2000 in the vicinity of the Hayward and Calaveras faults in the San Francisco Bay region, California. These ...


25. Data from Theodolite Measurements of Creep Rates on San Francisco Bay Region Faults, California: 1979-2007 [USGS_OFR_2007_1367]
The purpose is to update with six additional years of data, our creep data archive on San Francisco Bay region active faults for use by the scientific research community. Earlier data (1979-2001) ...


26. Database of Ground-Water Levels in the Vicinity of Rainier Mesa, Nevada Test Site, Nye County, Nevada, 1957-2005 [USGS_DS_2006_190]
More than 1,200 water-level measurements from 1957 to 2005 in the Rainier Mesa area of the Nevada Test Site were quality assured and analyzed. Water levels were measured from 50 discrete intervals ...


27. Dataset of Aggregate Producers in New Mexico, USGS Open File Report 011 [USGS_OFR_011]
This data set was developed as part of a larger effort by the U.S. Geological Survey to provide plottable locations of aggregate producers for National Atlas and for aggregate research. This data ...


28. Debris Flows and Floods in Southeastern Arizona from Extreme Precipitation in July 2006-Magnitude, Frequency, and Sediment Delivery [USGS_OFR_2008_1274]
From July 31 to August 1, 2006, an unusual set of atmospheric conditions aligned to produce record floods and an unprecedented number of slope failures and debris flows in southeastern Arizona. During ...


29. Deposition, Erosion, and Bathymetric Change in South San Francisco Bay: 1858-1983 [USGS_OFR_2004_1192]
Since the California Gold Rush of 1849, sediment deposition, erosion, and the bathymetry of South San Francisco Bay have been altered by both natural processes and human activities. Historical hydrographic ...


30. Digital Data From the Taos West Aeromagnetic Survey in Taos County, New Mexico [USGS_OFR_2007_1248]
This report contains digital data, image files, and text files describing data formats and survey procedures for aeromagnetic data collected during a survey covering the southwestern portion of Taos ...


31. Digital Data for Construction Material Sources Reported by the Arizona Department of Transportation in 1977 for Maricopa County, Arizona, USGS OFR 01-122 [USGS_OFR01-122]
U.S. Geological Survey scientists desired to have the data presented in the Source in a digital format to use in GIS and spreadsheet software programs for aggregate models and aggregate assessment. ...


32. Digital Database of Mining-related Features at Selected Historic and Active Phosphate Mines in Idaho, USGS OFR 01-142 [USGS_OFR01-142]
This is a spatial database that delineates mining-related features in areas of historic and active phosphate mining in the core of the southeastern Idaho phosphate resource area. The data has varying ...


33. Digital Database of Selected Aggregate and Related Resources in Ada, Boise, Canyon, Elmore, Gem, and Owyhee Counties, Southwestern Idaho [USGS_OFR_2004_1067]
The U.S. Geological Survey (USGS) compiled a database of aggregate sites and geotechnical sample data for six counties - Ada, Boise, Canyon, Elmore, Gem, and Owyhee - in southwest Idaho as part of ...


34. Digital Elevation Models of the Pre-Eruption 2000 Crater and 2004–07 Dome-Building Eruption at Mount St. Helens, Washington, USA [USGS_OFR_2008_1169]
Presented in this report are 27 digital elevation model (DEM) datasets for the crater area of Mount St. Helens. These datasets include pre-eruption baseline data collected in 2000, incremental model ...


35. Digital Geologic Map and GIS Database of Venezuela [USGS_DS_2006_199]
The digital geologic map and GIS database of Venezuela captures GIS compatible geologic and hydrologic data from the "Geologic Shaded Relief Map of Venezuela," which was released online as U.S. Geological ...


36. Digital Geologic Map of Arizona: A Digital Database Derived from the 1983 Printing of the Wilson, Moore, and Cooper 1:500,000-scale Map, USGS OFR 00-409 [USGS_OFR_00409]
This database was developed to provide a GIS of the geologic map of the State of Arizona for use at a scale of 1:500,000 or smaller. This GIS is intended for use in future spatial analysis by a variety ...


37. Digital Geologic Map of the Butler Peak 7.5' Quadrangle, San Bernardino County, California [USGS_OFR_00145]
The data set for the Butler Peak quadrangle has been prepared by the Southern California Areal Mapping Project (SCAMP), a cooperative project sponsored jointly by the U.S. Geological Survey and the ...


38. Digital geologic map and map database of parts of Marin, San Francisco, Alameda, Contra Costa, and Sonoma Counties, California [USGS_Map_MF-2337]
This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:62,500) scale. The report is intended to provide geologic information for the ...


39. Digital geologic map of part of the Thompson Falls 1:100,000 quadrangle, Idaho [USGS_OFR_99_438]
This data set was developed to provide geologic map GIS of the Idaho portion of the Thompson Falls 1:100,000 quadrangle for use in future spatial analysis by a variety of users. This database is ...


40. Digital geologic map of the Coeur d'Alene 1:100,000 quadrangle, Idaho and Montana [USGS_OFR_00135]
This data set was developed to provide geologic map GIS of the Coeur d'Alene 1:100,000 quadrangle for use in future spatial analysis by a variety of users. These data can be printed in a variety ...


41. Digital mining claim density map and database for Federal lands in California [USGS_OFR_99_409]
The digital map was developed to document mining claim activity on federal lands in California and to investigate interrelationships of mining claim activity with physical and social science concerns. ...


42. Digital mining claim density map for Federal lands in Utah: 1996 [USGS_OFR_99_407]
The digital map was developed to document mining claim activity on federal lands in Utah and to investigate interrelationships of mining claim activity with physical and social science concerns. ...


43. Digital mining claim density map for Federal lands in Washington: 1996 [USGS_OFR_99_408]
The digital map was developed to spatially research mining claim activity on federal lands in Washington and to investigate interrelationships of mining claim activity with physical and social science ...


44. Earthquake Ground-Motion Amplification in Southern California [USGS_OFR_2001_164]
The two most important factors influencing the level of earthquake ground motion at a site are the magnitude and distance of the earthquake. The map available here shows the influence of a third important ...


45. Estimates of Monthly Ground-Water Recharge to the Yakima River Basin Aquifer System, Washington, 1960-2001, for Current Land-Use and Land-Cover Conditions [USGS_OFR_2007_1238]
Monthly values of ground-water recharge, for current land-use and land-cover conditions, to the Yakima River Basin aquifer system, Washington, during water years 1960-2001 were previously estimated. ...


46. Flow Velocity and Sediment Data Collected During 1990 and 1991 at National Canyon, Colorado River, Arizona [USGS_DS_2007_246]
During 1990 and 1991, a series of research flows were released from Glen Canyon Dam. Data collected at the streamflow-gaging station on the Colorado River above National Canyon near Supai from that ...


47. Generalized Thermal Maturity Map of Alaska [USGS_mapi-2494]
The files in this directory are those that were used to create the Generalized Thermal Maturity Map of Alaska (USGS Miscellaneous Investigations Map I-2494), published in 1996. These files are necessary ...


48. Geochemical Analyses of Geologic Materials from Areas of Critical Environmental Concern, Clark and Nye Counties, Nevada [USGS_OFR_2005_1450]
An assessment by the U.S. Geological Survey (USGS), Nevada Bureau of Mines and Geology (NBMG), and University of Nevada, Las Vegas (UNLV) is in progress of known and undiscovered mineral resources ...


49. Geochemical Analysis of Soils and Sediments, Coeur d'Alene Drainage Basin, Idaho: Sampling, Analytical Methods, and Results, USGS OFR 00-139 [USGS_OFR01139]
This report was prepared to document the chemical composition of sediments and soils in the Coeur d'Alene (CdA) drainage basin in northern Idaho. These compositions are of interest because of the ...


50. Geochemical Data for Samples Collected in 2007 Near the Concealed Pebble Porphyry Cu-Au-Mo Deposit, Southwest Alaska [USGS_OFR_2008_1132]
In the summer of 2007, the U.S. Geological Survey (USGS) began an exploration geochemical research study over the Pebble porphyry copper-gold-molydenum (Cu-Au-Mo) deposit in southwest Alaska. The ...


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