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Airborne magnetic and radiometric survey, Boulder Batholith region, Montana, 2022 This data release provides digital flight line data for a high-resolution airborne magnetic and radiometric survey over parts of Montana in the vicinity of the Boulder Batholith. The airborne survey was jointly funded by the Earth Mapping Resources Initiative and Kennecott Exploration Company. The survey was designed to meet complementary needs related to geologic mapping and characterization of mineral resource potential. A total of 34,041-line km of magnetic and radiometric data were acquired over an irregular-shaped area of 6178 km2. Data were collected from a helicopter flown at a nominal terrain clearance of 100 meters (m) above topography along E-W flight lines spaced at 200 m intervals. Tie lines were flown... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: AASG, Aeromagnetic survey, Aeroradiometric survey, Airborne geophysical survey, Association of State Geologists, All tags... Boulder Mountains, Boulder River, Broadwater County, Butte, Crow Creek, Deerlodge National Forest, Earth Mapping Resources Initiative, EarthMRI, Economic Geology, Elkhorn Mountains, GGGSC, Geology, Geophysics, and Geochemistry Science Center, Geophysics, Geospatial datasets, Helena, Helena National Forest, Jefferson County, Lewis and Clark County, Little Blackfoot River, MRP, Magnetic field (earth), Mineral Resources, Mineral Resources Program, Montana, Montana, National Cooperative Geologic Mapping Program, Potassium, Powell County, Prickly Pear Creek, Sedimentology, Structural Geology, Thorium, Twin Bridges, U.S. Geological Survey, USA, USGS, USGS:642f18b8d34ee8d4add49274, United States, United States of America, Uranium, Whitetail Valley, biota, Fewer tags Seismogenic Landslides, Debris Flows, and Outburst Floods in the Western United States and Canada from 1977 to 2017 Introduction This data release is a compilation of known landslides, debris flows, lahars, and outburst floods that generated seismic signals observable on existing seismic networks. The data release includes basic information about each event such as location, volume, area, and runout distances as well as information about seismic detections and the location of seismic data, photos, maps, GIS files, and links to papers, websites, and media reports about the event. Not all record types exist for each event, and the quality of the information varies from event to event. While the SQLite3 database (lsseis.db) is the native format of this database and preserves its relational structure, for the convenience of users,... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, British Columbia, California, Canada, Colorado, All tags... Earthquake Hazards Program, GHSC, Geologic Hazards Science Center, Greenland, Landslide Hazards Program, Oregon, USGS, USGS Science Data Catalog (SDC), United States, Utah, avalanches, debris avalanches, debris flows, earth science, floods, geophysics, hazards, lahars, landslides, outburst flood, rockfalls, seismology, Fewer tags Airborne electromagnetic and magnetic survey data, Big Sioux aquifer, October 2015, Sioux Falls, South Dakota Airborne electromagnetic (AEM) and magnetic survey data were collected during October 2015 along 769 line-kilometers over a 160-square-kilometer area that includes the Big Sioux aquifer between Sioux Falls and Dell Rapids, South Dakota, USA. Data were acquired with the CGG Resolve frequency-domain helicopter-borne electromagnetic system along with a cesium vapor magnetometer. Files included in this data release are: (1) raw and processed AEM and magnetic data; (2) processed AEM resistivity-depth inversions, and (3) a contractor’s report describing survey parameters, field operations, quality control, and data reduction procedures. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Big Sioux aquifer, City of Sioux Falls, Geophysics, Hydrogeology, USGS Science Data Catalog (SDC), All tags... Water Resources, aeromagnetic surveying, aquifer, electromagnetic surveying, geophysics, geoscientificInformation, geospatial datasets, groundwater, resistivity, Fewer tags