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This data release contains waterborne gradient self-potential (SP), surface-water temperature, surface-water conductivity and specific conductance, and surface-water nitrate concentration data measured continuously in the upper part of the Delaware River along approximately 123 kilometers (km) between Hancock and Port Jervis, New York. All of the data were measured from a kayak between June 27 and July 2, 2021. Gradient self-potential data were measured along five survey segments that varied in length between 13.1 and 31.6 km. The first segment began at Hancock, N.Y. on the east branch of the Delaware River, progressed into the main stem, and ended about 13.1 river-km downstream in Lordville, N.Y. at U.S. Geological...
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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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The data within this page contain .csv files with caliper, natural gamma, resistivity, fluid temperature, fluid specific conductance, and heat-pulse flow measurements (ambient and stressed conditions).
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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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The collection of borehole geophysical logs data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina, during January through March 2016. In an effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants, borehole geophysical log and image data collection, which included the delineation of more than 150 subsurface features (primarily fracture orientations) in 3 open borehole wells.
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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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The data within this page contain .csv files with caliper, natural gamma, resistivity, fluid temperature, fluid specific conductance, and heat-pulse flow measurements (ambient and stressed conditions).
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In May 2021, the U.S. Geological Survey, in cooperation with the U.S. Army Corps of Engineers, logged 9 previously drilled boreholes in the bedrock beneath Bull Shoals Dam with acoustic and optical televiewer geophysical methods. The acoustic and optical televiewer logging results were used to identify fractures and small bedding planes in the bedrock beneath the dam using the image and structure interpretation module of Well CAD (v.5.4). This data release consists of each geophysical log in standard log American Standard Code for Information Interchange (ASCII) text (.las) format and a comma separated (.csv) file detailing the fracture and bedding plane analysis completed on each geophysical log.
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The collection of borehole geophysical logs and images and continuous water-level data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the GMH Electronics Superfund site near Roxboro, North Carolina, during December 2012 through July 2015. The study purpose was part of a continued effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants. Previous work by the U.S. Geological Survey South Atlantic Water Science Center at the site involved similar data collection, in addition to surface geologic mapping and passive diffusion...
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The data on this page consists of .csv files that contain vertical flow measurements within the borehole and the associated depth below land surface. Measurements recorded under both ambient and stressed conditions are contained in each file.
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The data on this page consists of .csv and .xlsx files with water-level information collected from a pressure transducer within the borehole during pumping conditions for the "stressed" heat-pulse flow measurements. The water-levels were used for drawdown calculations.
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The collection of borehole geophysical logs and thermal imaging data was conducted by the U.S. Geological Survey South Atlantic Water Science Center in the vicinity of the Hemphill Road TCE National Priorities List Superfund site near Gastonia, North Carolina, during August 2014 through February 2015. In an effort to assist the U.S. Environmental Protection Agency in the development of a conceptual groundwater model for the assessment of current contaminant distribution and future migration of contaminants, surface geological mapping and borehole geophysical log and image data collection, which included the delineation of more than 600 subsurface features (primarily fracture orientations) was conducted in 5 open...
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The data on this page contain .pdf files of field sheets that show water level and pumping flow rate during heat-pulse flow meter measurements during stressed conditions.
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The data on this page contain .pdf files of field sheets that show water level and pumping flow rate during heat-pulse flow meter measurements during stressed conditions.
Our mission is to provide , timely, reliable, impartial scientific information to our local, state, tribal, and federal partners so they can efficiently manage the water resources within their jurisdictions. Our data and research also help to protect the citizens of Idaho against floods, droughts, and other natural hydrologic hazards. Our science focuses on four basic areas of data collection and research: Surface water resources including rivers, lakes, and reservoirs Groundwater resources, both cold water and geothermal Water quality Water use and availability
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The data on this page consists of .csv and .xlsx files with water-level information collected from a pressure transducer within the borehole during pumping conditions for the "stressed" heat-pulse flow measurements. The water-levels were used for drawdown calculations.
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The data on this page contain .pdf files of thermal images collected at 10 stream sites nearby study area, showing stream surface and bank seepage temperature readings.
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The data on this page contain borehole structural feature data measured on the optical and acoustic televiewer logs. Dip direction and dip angle, along with depth of feature and feature type are described within each spreadsheet.
The mission of the U.S. Geological Survey Colorado Water Science Center is to be the principal source of timely, high-quality science information on Colorado’s water resources, and to be a leader in providing an understanding of how those resources relate to the people and environment of the state. This will help planners, managers, and others to make the decisions necessary for the wise use of these limited and shared resources.
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The data on this page contain borehole structural feature data measured on the optical and acoustic televiewer logs. Dip direction and dip angle, along with depth of feature and feature type are described within each spreadsheet.


map background search result map search result map Caliper, electric, fluid, and flow logs for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Structure feature orientations for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Heat-pulse flow measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Water level data during pumping for stressed HPFM measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Geophysical Logging and Thermal Imaging at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Caliper, electric, fluid, and flow logs for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Heat-pulse flow measurements for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Pumping log field notes for stressed HPFM measurements for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Subsurface structure data for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina FLIR camera thermal imagery for stream sites at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Water level data during pumping for stressed HPFM measurements for selected boreholes at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Geophysical Logging at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Caliper, electric, fluid, and flow logs for selected wells at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Pumping log field notes for stressed HPFM measurements for selected wells at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Subsurface structure data for selected wells at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Water level data during pumping for stressed HPFM measurements for selected boreholes at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina USGS Colorado Water Science Center Waterborne Gradient Self-potential, Temperature, and Conductivity Logging of the Upper part of the Delaware River between Hancock and Port Jervis, New York, June–July 2021 Fracture and Bedding Plane Analysis of Bedrock Beneath Bull Shoals Dam Using Acoustic and Optical Televiewer Geophysical Logs, Baxter County, Arkansas, 2021 Fracture and Bedding Plane Analysis of Bedrock Beneath Bull Shoals Dam Using Acoustic and Optical Televiewer Geophysical Logs, Baxter County, Arkansas, 2021 Geophysical Logging and Thermal Imaging at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Caliper, electric, fluid, and flow logs for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Heat-pulse flow measurements for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Pumping log field notes for stressed HPFM measurements for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Subsurface structure data for selected wells at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina FLIR camera thermal imagery for stream sites at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Water level data during pumping for stressed HPFM measurements for selected boreholes at the Hemphill Road TCE NPL Superfund Site near Gastonia, North Carolina Geophysical Logging at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Pumping log field notes for stressed HPFM measurements for selected wells at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Subsurface structure data for selected wells at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Water level data during pumping for stressed HPFM measurements for selected boreholes at the Cristex Drum National Priorities List Superfund Site near Oxford, North Carolina Structure feature orientations for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Heat-pulse flow measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Water level data during pumping for stressed HPFM measurements for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Caliper, electric, fluid, and flow logs for selected boreholes near GMH Electronics Superfund site, Roxboro, NC (2012-2015) Waterborne Gradient Self-potential, Temperature, and Conductivity Logging of the Upper part of the Delaware River between Hancock and Port Jervis, New York, June–July 2021 USGS Colorado Water Science Center