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This data release provides digital flight-line and gridded data for a high-resolution airborne magnetic and radiometric survey over the region surrounding the Wet Mountains of southern Colorado, including parts of Custer and Fremont Counties. Data for this survey were collected by Sander Geophysics Limited International (SGL) under contract with the USGS. The survey was flown in June and July of 2021 using a helicopter equipped with a magnetometer mounted in a stinger extending from the nose of the aircraft and a gamma-ray spectrometer stowed onboard. The helicopter pilots followed pre-planned flight paths in a grid-like pattern, with east-west lines spaced 150 meters apart and north-south lines spaced 1,000 meters...
Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: "Mineral Resources"], AASG, Antelope Creek, Arkansas River, Association of State Geologists, All tags...
Aerial images in the vicinity of USGS gaging station #07094500 Arkansas River at Parkdale, Colorado were collected on March 20-22, 2018, using Unmanned Aircraft Systems (UAS, or "drones"). Data were processed using structure-from-motion analysis to generate a three-dimensional point cloud that identifies pixels from multiple images representing the same object and calculates the x, y, and z coordinates of that object/pixel. The point cloud was processed to create a digital surface model of the site. Finally, source images were stitched together based on shared pixels and orthogonally adjusted to create a high resolution (approximately 2 cm pixel size) orthoimage for the study area. The orthomosaic image captures...
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This Data Release provides tabular and geospatial data digitized by the U.S. Geological Survey (USGS) from a U.S. Bureau of Mines (USBoM) report titled Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado. The original preliminary paper report, numbered Mineral Land Assessment 65-83 (MLA 65-83; Ellis and others, 1983), presented the results of a mineral resource potential survey of areas in and around the Sangre de Cristo Range flanking the northeastern extent of San Luis Valley in south-central Colorado. Included in this Data Release are georeferenced scans of the regional plate maps, digitized sample site locations, analytical...
Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: Alamosa County, Alamosa County, Baca National Wildlife Refuge, Blanca Peak, Cañon City, All tags...
This dataset includes vertical velocity profiles and river discharge at cross section of interest where velocity measurements were taken on the Arkansas River at Parkdale, Colorado. Each profile contains measurements at various depths at the y-axis, which is the vertical in the cross-sectional profile where the maximum velocity (umax) occurs. These measurements were taken using a FlowTracker, FlowTracker2 ® instrument (FlowTracker2, 2020) when wading was possible; if wading was not possible, measurements were taken from a boat using an acoustic Doppler current profiler (ADCP) under stationary bed conditions. Data are presented in a comma separated value (CSV) file.
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The U.S. Geological Survey deployed eight submersible pressure transducers in the Arkansas River at Parkdale, Colorado on March 19, 2018. An additional transducer was left out of the water to correct for barometric pressure fluctuations. At the time of deployment and recovery, the coordinates of the top of the post to which the transducer was secured were surveyed with real-time kinematic Global Navigation Satellite System surveying equipment. Also at the time of deployment and recovery, the offset between the location on the transducer that records stage and the top of the post to which the transducer was secured was measured with an engineering ruler. The transducers collected a depth measurement every 1-min until...
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Magnetic data collected as part of a high-resolution airborne magnetic and radiometric survey over the region surrounding the Wet Mountains of southern Colorado, including parts of Custer and Fremont Counties, are provided as digital flight-line and grid files. Magnetic surveys measure subtle variations in the Earth’s magnetic field and are sensitive to differences in the magnetic properties of rocks from ground level to many kilometers below. Data for this survey were collected by Sander Geophysics Limited International (SGL) under contract with the USGS. The survey was flown in June and July of 2021 using a helicopter equipped with a magnetometer mounted in a stinger extending from the nose of the aircraft. The...
Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: AASG, Antelope Creek, Arkansas River, Association of State Geologists, Canon City, All tags...
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Radiometric data collected as part of a high-resolution airborne magnetic and radiometric survey over the region surrounding the Wet Mountains of southern Colorado, including parts of Custer and Fremont Counties, are provided as digital flight-line and grid files. Radiometric (or gamma-ray) surveys measure naturally occurring low-level radiation and are sensitive to the presence of rocks near the surface that are enriched in uranium, thorium, or potassium. Data for this survey were collected by Sander Geophysics Limited International (SGL) under contract with the USGS. The survey was flown in June and July of 2021 using a helicopter equipped with a gamma-ray spectrometer stowed onboard. The helicopter pilots followed...
Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: AASG, Aeroradiometric survey, Antelope Creek, Arkansas River, Association of State Geologists, All tags...
This dataset contains data collected during science flights using the drone-based QCam, which is a Doppler (velocity) radar designed to measure surface velocity and compute river discharge when channel bathymetry is known. Five science flights were conducted on the Arkansas River in Colorado and are presented as comma separated values (CSV) files.
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A USGS Unoccupied Aircraft Systems (UAS) Aquatic Airshow field testing and demonstration event occurred March 20–21, 2018, on the Arkansas River at Parkdale, CO, USA. At the airshow, a group of USGS scientists and technicians gathered to test non-contact sensors for measuring stream discharge using UAS and a sensor mounted on a tag line. Scientists at the event performed a series of tests to measure river discharge with experimental non-contact techniques. USGS scientists and field personnel traditionally conduct a discharge measurement either by wading or working from a boat. Due to the potential danger and high risk to personnel safety, hydrologic measurement work is limited during very high flow events, ice break-up,...


map background search result map search result map USGS 1:100000-scale Quadrangle for Canon City, CO 1982 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1889 Near-field Remote Sensing of River Velocity, Bathymetry, Floodplain Topography, and Discharge at the Arkansas River at Parkdale, Colorado, USA, March 2018 Digital Data from Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, USA Water Surface Elevations Derived from Submersible Pressure Transducers Deployed on the Arkansas River at Parkdale, Colorado, March 2018 Surface Velocity Data Acquired from QCam (Drone-based Doppler Velocity Radar) for the Arkansas River at Parkdale, Colorado, March 2018 Velocity Profiles and River Discharge for Cross Sections for the Arkansas River at Parkdale, Colorado, March 2018 Orthorectified Mosaic Photograph of a Portion of the Arkansas River at Parkdale, Colorado, March, 2018 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1889 Airborne magnetic and radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Airborne radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Airborne magnetic survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Near-field Remote Sensing of River Velocity, Bathymetry, Floodplain Topography, and Discharge at the Arkansas River at Parkdale, Colorado, USA, March 2018 Water Surface Elevations Derived from Submersible Pressure Transducers Deployed on the Arkansas River at Parkdale, Colorado, March 2018 Surface Velocity Data Acquired from QCam (Drone-based Doppler Velocity Radar) for the Arkansas River at Parkdale, Colorado, March 2018 Velocity Profiles and River Discharge for Cross Sections for the Arkansas River at Parkdale, Colorado, March 2018 Orthorectified Mosaic Photograph of a Portion of the Arkansas River at Parkdale, Colorado, March, 2018 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:24000-scale Quadrangle for Canon City, CO 1959 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1889 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1892 USGS 1:125000-scale Quadrangle for Canon City, CO 1889 Airborne magnetic and radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 USGS 1:100000-scale Quadrangle for Canon City, CO 1982 Airborne radiometric survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Airborne magnetic survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021 Digital Data from Mineral Investigation of Sangre de Cristo Wilderness Study Area, Alamosa, Custer, Fremont, Huerfano, and Saguache Counties, Colorado, USA