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Borehole geophysical data Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by mineralized and hydrothermally altered sedimentary rock in the Elk Mountains near the town of Crested Butte, Colorado. Site locations and drilling procedures are documented under the main page of this data release. Borehole geophysical data were collected in boreholes MW1, MW1UZ, and MW2.1 as open holes prior to well construction. Logging was performed by a combination of USGS and Mount Sopris Instruments (MW1) and University of Wyoming (MW1UZ and MW2.1) staff. Log types vary by well on the basis of available equipment, site limitations, and borehole conditions. In borehole MW1, log types include fluid temperature and conductivity,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Colorado, Crested Butte, Cretaceous, Elk Mountains, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Gunnison County, Gunsight Pass, Lawrence Berkeley National Laboratory, MRP, Mesaverde Formation, Mineral Resources Program, Mount Sopris Instruments, Quaternary, Redwell Basin, Rocky Mountain Biological Laboratory, Subsurface Biogeochemical Research Program, U.S. Geological Survey (USGS), University of Wyoming, borehole logging, core analysis, drilling and coring, environment, geoscientificInformation, groundwater, groundwater level, hydrogeology, permeability, porosity, Fewer tags Ground conductivity measurements at selected National Wildlife Refuges, Montana and North Dakota, 2017-2018 Shallow subsurface electrical conductivity was mapped at selected U.S. Fish and Wildlife Service managed lands in northeast Montana and northwest North Dakota using the DUALEM421 electromagnetic sensor (Dualem, Inc., ON, Canada) in the winters of 2017 and 2018. Data were acquired by towing the DUALEM421 sensor on a sled behind an all-terrain vehicle or snow machine, with the sensor at a nominal height of 0.3 meters (m) above ground surface. Approximately 427 line-kilometers (km) of data were acquired over an area of nearly 26 square-kilometers. Data were manually edited to remove sensor dropouts, lag corrected for apparent offsets between recorded GPS location and data locations for each coil pair, and averaged... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Anderson, Beaver Lake, Bigslough, Divide County, ND, Dog Leg, All tags... GGGSC, Geology, Geophysics, and Geochemistry Science Center, Gjesdal East, Goose Lake, Hansen, Jerde, Larson Slough, Lindell, Medicine Lake, Medwell, Montana, NOROCK, National Wildlife Refuge, Norman Lake, North Dakota, North Root, Northeast, Northern Rocky Mountain Science Center, Prairie Pothole Region, Rabenberg, STEPPE, Science Team about Energy and Plains and Potholes Environments, Sheridan County, MT, Stateline, USGS Science Data Catalog (SDC), Ward, Westby, MT, Westgard, Wigeon, Williston Basin, electromagnetic surveying, electromagnetics, environment, geophysics, geoscientificInformation, groundwater, https://www.sciencebase.gov/catalog/item/5e739c2de4b01d50926c0a08, hydrogeology, resistivity, salinity, water resources, Fewer tags Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016: Processed AEM data Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 over a total distance of 262 line kilometers in the southeastern San Joaquin Valley near Cawelo, California. These data were collected in support of groundwater salinity mapping and hydrogeologic framework development as part of the U.S. Geological Survey California Oil, Gas, and Groundwater program and the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program. Minimally processed binary AEM data received from SkyTEM ApS were imported into the Aarhus Workbench software (Aarhus Geosoftware, Aarhus, Denmark) and processed. Filters were applied to inclinometer and spatial positioning data to... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CAWSC, California, California Water Science Center, Cawelo, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Kern County, Poso Creek, Poso Creek Oil Field, San Joaquin Valley, aeromagnetic surveying, electromagnetic surveying, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, groundwater quality, hydrogeology, resistivity, salinity, Fewer tags Magnetics Data Surface electrical resistivity tomography, magnetic, and gravity surveys were conducted in July 2017 in the greater East River Watershed near Crested Butte Colorado with a focused effort in Redwell Basin as part of a broader study of the role of bedrock groundwater in the hydrogeology of mineralized mountain watersheds. Approximately ten kilometers of total field magnetics data were acquired on July 29, 2017 with a Geometrics G-858 cesium vapor magnetometer that detects changes in deep (tens of meters to kilometers) geologic structure based on variations in the magnetic properties of different formations. This data release includes the raw and processed magnetics data. They are provided as digital data, and data... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Brush Creek, Colorado, Crested Butte, East River, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Gothic, Gunnison County, MRP, Mineral Resources Program, Mount Emmons, Oh-be-joyful, Redwell Basin, U.S. Geological Survey, USGS, bouguer anomaly, electrical resistivity tomography, electromagnetic surveying, electromagnetics, environment, free-air anomaly, geophysics, geoscientificInformation, geospatial datasets, gravimeter measurement, gravitational field (earth), gravity, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, magnetic surveying, magnetics, nuclear magnetic resonance, resistivity, water resources, Fewer tags Hydrologic and geophysical data from high-elevation boreholes in Redwell Basin near Crested Butte, Colorado Four boreholes (MW1, MW1UZ, MW2, MW2.1) were drilled in the fall of 2017 and summer of 2018 in upper Redwell Basin, a headwater catchment underlain by hydrothermally altered sedimentary rock in the Elk Mountains near the town of Crested Butte, Colorado. The boreholes were continuously cored using a wireline HQ-sized coring system and sample a combination of Quaternary-aged surficial colluvium and the Cretaceous-aged Mesaverde Formation. In-situ injection-based hydraulic tests were performed in MW1 and MW2 during drilling while advancing using a single-packer apparatus in tandem with an in-line flow meter and interval pressure monitoring. Borehole geophysical logging was performed in MW1, MW1UZ, and MW2.1 in the... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Colorado, Crested Butte, Cretaceous, Elk Mountains, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Geophysics, Gunnison County, Gunsight Pass, Hydrology, Hydrology, Lawrence Berkeley National Laboratory, MRP, Mesaverde Formation, Metal transport in mineralized mountain watersheds, Mineral Resources, Mineral Resources, Mineral Resources Program, Mount Sopris Instruments, Quaternary, Redwell Basin, Rocky Mountain Biological Laboratory, Subsurface Biogeochemical Research Program, U.S. Geological Survey (USGS), USGS Science Data Catalog (SDC), University of Wyoming, borehole logging, core analysis, drilling and coring, environment, geoscientificInformation, groundwater, groundwater level, hydrogeology, permeability, porosity, Fewer tags Goose Lake NWR, Montana, 2017 Shallow subsurface electrical conductivity was mapped at Goose Lake National Wildlife Refuge (NWR) in northeast Montana using the DUALEM421 electromagnetic sensor (Dualem, Inc., ON, Canada) in the winter of 2017. Data were acquired by towing the DUALEM421 sensor on a sled behind an all-terrain vehicle or snow machine, with the sensor at a nominal height of 0.3 meters (m) above ground surface. Approximately 15 line-kilometers (km) of data were acquired over an area of approximately 1 square-kilometer. Data were manually edited to remove sensor dropouts, lag corrected for apparent offsets between recorded GPS location and data locations for each coil pair, and averaged to a sounding distance of 1m along the survey... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: GGGSC, Geology, Geophysics, and Geochemistry Science Center, Goose Lake, Montana, NOROCK, All tags... National Wildlife Refuge, Northern Rocky Mountain Science Center, Prairie Pothole Region, STEPPE, Science Team about Energy and Plains and Potholes Environments, Williston Basin, electromagnetic surveying, electromagnetics, environment, geophysics, geoscientificInformation, groundwater, hydrogeology, resistivity, salinity, water resources, Fewer tags Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016 Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 over a total distance of 262 line kilometers in the southeastern San Joaquin Valley near Cawelo, California. These data were collected in support of groundwater salinity mapping and hydrogeologic framework development as part of the U.S. Geological Survey California Oil, Gas, and Groundwater program and the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program. Data were acquired by SkyTEM ApS with the SkyTEM 312 time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was designed to cover the region hydrogeologically downgradient... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: CAWSC, California, California Water Science Center, Cawelo, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Kern County, Poso Creek, Poso Creek Oil Field, San Joaquin Valley, USGS Science Data Catalog (SDC), aeromagnetic surveying, electromagnetic surveying, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, groundwater quality, hydrogeology, resistivity, salinity, Fewer tags Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016: Minimally processed data Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 along 262 line kilometers in the southeastern San Joaquin Valley near Cawelo, California. These data were collected in support of groundwater salinity mapping and hydrogeologic framework development as part of the U.S. Geological Survey California Oil, Gas, and Groundwater program and the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program. Data were acquired by SkyTEM ApS with the SkyTEM 312 time-domain helicopter-borne electromagnetic system together with a Geometrics G822A cesium vapor magnetometer. The survey was flown at a nominal flight height of 35 m above terrain along block-style... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CAWSC, California, California Water Science Center, Cawelo, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Kern County, Poso Creek, Poso Creek Oil Field, San Joaquin Valley, aeromagnetic surveying, electromagnetic surveying, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, groundwater quality, hydrogeology, resistivity, salinity, Fewer tags Gravity Data Surface electrical resistivity tomography, magnetic, and gravity surveys were conducted in July 2017 in the greater East River Watershed near Crested Butte Colorado with a focused effort in Redwell Basin as part of a broader study of the role of bedrock groundwater in the hydrogeology of mineralized mountain watersheds. Ten gravity stations were acquired with a LaCoste and Romberg G-model relative gravimeter to map density variations. This data release includes principal facts for the gravity stations provided as digital data. Data fields are defined in the data dictionary. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service, Shapefile; Tags: Brush Creek, Colorado, Crested Butte, East River, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Gothic, Gunnison County, MRP, Mineral Resources Program, Mount Emmons, Oh-be-joyful, Redwell Basin, U.S. Geological Survey, USGS, bouguer anomaly, electrical resistivity tomography, electromagnetic surveying, electromagnetics, environment, free-air anomaly, geophysics, geoscientificInformation, geospatial datasets, gravimeter measurement, gravitational field (earth), gravity, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, magnetic surveying, magnetics, nuclear magnetic resonance, resistivity, water resources, Fewer tags Surface electrical resistivity tomography, magnetic, and gravity surveys in Redwell Basin and the greater East River watershed near Crested Butte, Colorado, 2017 Surface electrical resistivity tomography (ERT), time-domain electromagnetics (TEM), nuclear magnetic resonance (NMR), magnetics, and gravity data were acquired in 2016, 2017 and 2018 in the greater East River Watershed near Crested Butte Colorado with a focused effort in Redwell Basin. Five ERT profiles were acquired within Redwell Basin and Brush Creek to map geologic structure at depths up to 40 meters, depending on the subsurface resistivity, using the Advanced Geosciences, Inc. SuperSting R8 resistivity meter. Approximately ten kilometers of total field magnetics data were acquired with a Geometrics G-858 cesium vapor magnetometer that detects changes in deep (tens of meters to kilometers) geologic structure... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Brush Creek, Colorado, Crested Butte, East River, Environmental Health, All tags... GGGSC, Geochemistry, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Gothic, Gunnison County, Hydrology, MRP, Mineral Resources, Mineral Resources Program, Mount Emmons, Oh-be-joyful, Redwell Basin, U.S. Geological Survey, USGS, USGS Science Data Catalog (SDC), Water Resources, bouguer anomaly, electrical resistivity tomography, environment, free-air anomaly, geophysics, geoscientificInformation, geospatial datasets, gravimeter measurement, gravitational field (earth), gravity, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, magnetic surveying, magnetics, resistivity, water resources, Fewer tags Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 5.0, April 2024) This data release is a compilation of the locations of airborne geophysical surveys in the United States. The inventory documents public airborne geophysical surveys primarily flown by or contracted by the USGS from 1943 to present. In addition, surveys from the State of Alaska, Department of Natural Resources, Division of Geological and Geophysical Surveys (DGGS): Airborne GeophysWeb, the Bureau of Land Management, the Department of Energy and other state agencies have also been included. The surveys have contributed to studies under USGS programs including Water, Geologic Mapping, Minerals, Energy, Environmental Health, Ecosystems, Hazards, and Climate. This dataset contains locations for known and inventoried... Categories: Data, Data Release - Revised; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alabama, Alaska, Arizona, Arkansas, California, All tags... Colorado, Connecticut, Delaware, District of Columbia, Earth MRI, Florida, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, MRP, Maine, Maryland, Massachusetts, Michigan, Mineral Resources Program, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Puerto Rico, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, USGS Science Data Catalog (SDC), Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming, aeromagnetic surveying, aeroradiometric surveying, electromagnetic surveying, frequency-domain, geophysical, geophysics, geophysics, geoscientificInformation, geospatial datasets, gravitational field (earth), resistivity, time-domain, Fewer tags Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016: Resistivity models Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 over a total of distance of 262 line kilometers in the southeastern San Joaquin Valley near Cawelo, California. These data were collected in support of groundwater salinity mapping and hydrogeologic framework development as part of the U.S. Geological Survey California Oil, Gas, and Groundwater program and the California State Water Resources Control Board’s Oil and Gas Regional Monitoring Program. Deterministic spatially constrained inversions of the processed AEM data were conducted using the AarhusINV code (Auken and others, 2014) implemented in Aarhus Workbench software (Aarhus Geosoftware, Aarhus, Denmark). Inversion... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CAWSC, California, California Water Science Center, Cawelo, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Kern County, Poso Creek, Poso Creek Oil Field, San Joaquin Valley, aeromagnetic surveying, electromagnetic surveying, environment, geophysics, geoscientificInformation, geospatial datasets, groundwater, groundwater quality, hydrogeology, resistivity, salinity, Fewer tags Hydraulic test data Boreholes were drilled in 2017 and 2018 in Redwell Basin, a headwater catchment underlain by mineralized and hydrothermally altered sedimentary rock in the Elk Mountains near the town of Crested Butte, Colorado. Site locations and well construction are documented under the main page of this data release. Hydraulic data were acquired during drilling and on core samples to estimate the hydraulic properties of selected geologic materials. While advancing the drill stem, long-interval packer tests were conducted in MW1 and MW2 boreholes to measure in-situ formation permeability. The open borehole interval targeted for each hydraulic test was exposed by raising the drill stem about 10 m above the bottom of the hole.... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Colorado, Crested Butte, Cretaceous, Elk Mountains, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Gunnison County, Gunsight Pass, Lawrence Berkeley National Laboratory, MRP, Mesaverde Formation, Metal transport in mineralized mountain watersheds, Mineral Resources Program, Mount Sopris Instruments, Quaternary, Redwell Basin, Rocky Mountain Biological Laboratory, Subsurface Biogeochemical Research Program, U.S. Geological Survey (USGS), University of Wyoming, borehole logging, core analysis, drilling and coring, environment, geoscientificInformation, groundwater, groundwater level, hydrogeology, permeability, porosity, Fewer tags Electrical Resistivity Tomography (ERT) Data Surface geophysical surveys were conducted from 2016 to 2018 in the greater East River Watershed near Crested Butte Colorado with a focused effort in Redwell Basin as part of a broader study of the role of bedrock groundwater in the hydrogeology of mineralized mountain watersheds. Five electrical resistivity tomography (ERT) profiles were acquired within Redwell Basin and Brush Creek to map geologic structure at depths up to 40 meters, depending on the subsurface resistivity, using the Advanced Geosciences, Inc. SuperSting R8 resistivity meter. This data release includes the raw and processed resistivity data as well as inverted resistivity models. All are provided as digital data, and data fields for each file... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Brush Creek, Colorado, Crested Butte, East River, GGGSC, All tags... Geology, Geophysics, and Geochemistry Science Center, Gothic, Gunnison County, MRP, Mineral Resources Program, Mount Emmons, Oh-be-joyful, Redwell Basin, U.S. Geological Survey, USGS, bouguer anomaly, electrical resistivity tomography, electromagnetic surveying, electromagnetics, environment, free-air anomaly, geophysics, geoscientificInformation, geospatial datasets, gravimeter measurement, gravitational field (earth), gravity, groundwater, hydrogeology, magnetic anomaly maps, magnetic field, magnetic surveying, magnetics, nuclear magnetic resonance, resistivity, water resources, Fewer tags