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Federal
A dataset of scanned historical well and geophysical logs from 141 counties in Texas, 1918–2020 (ver. 2.0, September 2024) recent views
Department of the Interior —
An extensive archive containing more than 10,000 historical (1918–2020) geophysical logs collected in conjunction with studies done by various entities and more than... -
Federal
Borehole Nuclear Magnetic Resonance Inverted Models; Alaska, 2015 recent views
Department of the Interior —
Fire can be a significant driver of permafrost change in boreal landscapes, altering the availability of soil carbon and nutrients that have important implications... -
Federal
Continuous Resistivity Profiling, Electrical Resistivity Tomography and Hydrologic Data Collected in 2017 from Indian River Lagoon, Florida recent views
Department of the Interior —
Extending 200 kilometers (km) along the Atlantic Coast of Central Florida, Indian River Lagoon (IRL) is one of the most biologically diverse estuarine systems in the... -
Federal
Electrical resistivity tomography (ERT) data recent views
Department of the Interior —
Surface electrical resistivity tomography (ERT), electromagnetic induction (EMI), and self-potential (SP) data were acquired March 9 - 20, 2018 by the U.S. Geological... -
Federal
Surface electrical resistivity tomography, magnetic, and gravity surveys in Redwell Basin and the greater East River watershed near Crested Butte, Colorado, 2017: Gravity Data recent views
Department of the Interior —
Surface geophysical 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... -
Federal
Ground conductivity measurements at selected National Wildlife Refuges: North Root, Montana, 2017 recent views
Department of the Interior —
Shallow subsurface electrical conductivity was mapped at North Root National Wildlife Refuge (NWR) in northeast Montana using the DUALEM421 electromagnetic sensor... -
Federal
Ground conductivity measurements at selected National Wildlife Refuges: Hansen, Montana, 2017 recent views
Department of the Interior —
Shallow subsurface electrical conductivity was mapped at Hansen National Wildlife Refuge (NWR) in northeast Montana using the DUALEM421 electromagnetic sensor... -
Federal
Permafrost Mapping in Two Wetland Systems North of the Tanana River in Interior Alaska 2014, ERT Data recent views
Department of the Interior —
Surface-based 2D electrical resistivity tomography (ERT) surveys were used to investigate the distribution of permafrost at wetland sites on the alluvial plain north... -
Federal
Airborne electromagnetic and magnetic survey data in Everglades National Park, Florida, 2001 recent views
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data along four flight lines were collected in Everglades National Park, Florida as part of a larger survey. Data... -
Federal
Airborne Electromagnetic (AEM) Survey Inventory recent views
Department of the Interior —
The U.S. Geological Survey (USGS) has been engaged in airborne electromagnetics (AEM) since the 1970s, playing a role in the development of early acquisition systems,... -
Federal
Airborne Geophysical Survey Inventory of the Conterminous United States, Alaska, Hawaii, and Puerto Rico (ver. 4.0, April 2023) recent views
Department of the Interior —
This data release is a compilation of the locations of airborne geophysical surveys in the United States. The inventory documents public airborne geophysical surveys... -
Federal
Airborne electromagnetic and magnetic survey, southwestern San Joaquin Valley near Lost Hills, California, 2016: Minimally processed electromagnetic and magnetic data recent views
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 along 1,443 line kilometers in the southwestern San Joaquin Valley near... -
Federal
Ground conductivity measurements at selected National Wildlife Refuges: Goose Lake, Montana, 2017 recent views
Department of the Interior —
Shallow subsurface electrical conductivity was mapped at Goose Lake National Wildlife Refuge (NWR) in northeast Montana using the DUALEM421 electromagnetic sensor... -
Federal
Surface electrical resistivity tomography, magnetic, and gravity surveys in Redwell Basin and the greater East River watershed near Crested Butte, Colorado, 2017: Magnetics Data recent views
Department of the Interior —
Surface electrical resistivity tomography, magnetic, and gravity surveys were conducted in July 2017 in the greater East River Watershed near Crested Butte Colorado... -
Federal
Ground conductivity measurements at selected National Wildlife Refuges: Northeast, Montana, 2017 recent views
Department of the Interior —
Shallow subsurface electrical conductivity was mapped at Northeast National Wildlife Refuge (NWR) in northeast Montana using the DUALEM421 electromagnetic sensor... -
Federal
Airborne electromagnetic and magnetic survey data, southeastern San Joaquin Valley near Cawelo, California, 2016: Minimally processed data recent views
Department of the Interior —
Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2016 over a total distance of 262 line kilometers in the southeastern San... -
Federal
Waterborne resistivity surveys for streams and reservoirs in the Mississippi Alluvial Plain, 2016 and 2018 recent views
Department of the Interior —
This data release has three components for each of the eight surveys that were conducted in 2018: 1) a geospatial dataset of the processed data; 2) tabular data of... -
Federal
Transect 3 time-domain electromagnetic soundings to delineate saline groundwater in the Genesee valley-fill aquifer system, New York (2016-2017) recent views
Department of the Interior —
This folder contains the raw and processed TEM data and inverted soundings showing resistivity (in ohm-m) with depth for all survey sites that were part of transect... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, Mississippi Embayment, and Gulf Coastal Plain, September 2021 - January 2022 recent views
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired September 2021 to January 2022 along 27,204 line-kilometers (line-km) over the... -
Federal
Processed airborne magnetic and radiometric grids, Shellmound, Mississippi, March 2018 recent views
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired in late February to early March 2018 along 2,364 line-kilometers in the Shellmound,...