52 datasets found
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Federal
Data release for the geologic map of the upper Arkansas River valley region, north-central Colorado
Department of the Interior —
This 1:50,000-scale geologic map represents a compilation of the most recent geologic studies of the upper Arkansas River valley, between Leadville and Salida,... -
Federal
Wells and water-level altitude in the alluvium in the Lower Arkansas River Valley, Southeast Colorado, Spring and Fall 2002, 2008, and 2015
Department of the Interior —
Points representing locations of wells in which water levels were measured, and values of water-level altitudes above the National Geodetic Vertical Datum of 1929 for... -
Federal
Use of High-Resolution Topobathymetry to Assess Shoreline Topography and Future Development of a Slack Water Harbor near Dardanelle, Arkansas, October 2021
Department of the Interior —
The U.S. Army Corps of Engineers–-Little Rock District (SWL) Civil Works program has a mission to maintain cohesion between physical and naturally developed... -
Federal
Airborne magnetic survey of the Wet Mountains and surrounding region, Custer and Fremont Counties, south-central Colorado, 2021
Department of the Interior —
Magnetic data collected as part of a high-resolution airborne magnetic and radiometric survey over the region surrounding the Wet Mountains of southern Colorado,... -
Federal
Molecular resources combined with morphology and geography to provide insights into the evolutionary history of a wide-ranging freshwater mussel species complex (Unionida: Quadrula)
Department of the Interior —
The freshwater mussel Quadrula quadrula of eastern North America occupies several isolated river drainages along the coastal Gulf of Mexico and northward in the... -
Federal
Mississippi Alluvial Plain (MAP): Streambed Properties & Connectivity
Department of the Interior —
Electrical resistivity results from four regional airborne electromagnetic (AEM) surveys (Burton et al. 2024, Hoogenboom et al. 2023, Minsley et al. 2021, Burton et... -
Federal
Mississippi Alluvial Plain Extent, November 2017
Department of the Interior —
The Mississippi Alluvial Plain (MAP) has become one of the most important agricultural regions in the US, and it relies heavily on a groundwater system that is poorly... -
Federal
Generalized regions of the Mississippi Alluvial Plain
Department of the Interior —
As part of the U.S. Geological Survey (USGS) Water Availability and Use Science Program study of the Mississippi Alluvial Plain (MAP), a shapefile representing seven... -
Federal
Change in water-table altitude in the alluvium in the Lower Arkansas River Valley, Southeast Colorado, Fall 2002 to Fall 2015
Department of the Interior —
Raster showing change in water-table altitude between Fall of 2002 and Fall of 2015 in the alluvium in the Lower Arkansas River Valley, Southeast Colorado. Hereafter... -
Federal
Microchemistry demographics and development data from wild caught black carp in the Mississippi River basin, 2011-18
Department of the Interior —
Data consists of ploidy, otolith stable isotope analysis and microchemistry, age, weight, sex, length and geolocation data from wild caught black carp... -
Federal
Change in water-table altitude in the alluvium in the Lower Arkansas River Valley, Southeast Colorado, Spring 2008 to Spring 2015
Department of the Interior —
Raster showing change in water-table altitude between Spring of 2008 and Spring of 2015 in the alluvium in the Lower Arkansas River Valley, Southeast Colorado.... -
Federal
DATA RELEASE for LUMINESCENCE: Mid to Late Quaternary Geomorphic and Paleoseismic Event History, Cheraw Fault, Colorado
Department of the Interior —
Despite its subdued expression and isolated location within the Great Plains of southeastern Colorado, the 80-km-long Cheraw fault may be one of the most active... -
Federal
Digital surfaces and site data of well-screen top and bottom altitudes defining the irrigation production zone of the Mississippi River Valley alluvial aquifer within the Mississippi Alluvial Plain project region
Department of the Interior —
Site data contained in the ScrIntrvls_AllSrcRefs_AllWellsRev.csv dataset define the top and bottom altitudes of well screens in 64,763 irrigation wells completed in... -
Federal
Digital Surfaces of the bottom altitude and thickness of the Mississippi River Valley alluvial aquifer and site data within the Mississippi Alluvial Plain project region
Department of the Interior —
Bottom altitudes of the Mississippi River Valley alluvial aquifer (MRVA) were compiled from interpretations of subsurface geophysical logs (log picks) at about 10,000... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, November 2019 - March 2020: Airborne EM, magnetic, and radiometric survey data
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired November 2019 to March 2020 along 24,030 line-kilometers (line-km) over the Mississippi... -
Federal
Saturated Thickness in the Alluvium of the Lower Arkansas Valley, Southeast Colorado, Fall 2002
Department of the Interior —
Raster dataset showing saturated thickness (in feet) of the alluvium in the Lower Arkansas River Valley, Southeast Colorado, June 1 - November 30, 2002 (hereafter... -
Federal
Bedrock contours underlying the alluvium of the Lower Arkansas River Valley, Southeast Colorado
Department of the Interior —
Contours (20-foot interval) showing altitude of the bedrock surface in feet above NGVD 29 underlying the alluvium in the Lower Arkansas River Valley, Southeast... -
Federal
Digital Dataset for the Geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi
Department of the Interior —
A digital dataset of the geomorphology of the Lower Mississippi River Valley in Missouri, Kentucky, Arkansas, Tennessee, Louisiana, and Mississippi was developed from... -
Federal
Airborne electromagnetic, magnetic, and radiometric survey of the Mississippi Alluvial Plain, March 2018 and May - August 2021: Raw Data
Department of the Interior —
Airborne electromagnetic (AEM), magnetic, and radiometric data were acquired May 25 through August 7, 2021 along 10,706 line-kilometers (line-km) over the Mississippi... -
Federal
Combined results and derivative products of hydrogeologic structure and properties from airborne electromagnetic surveys in the Mississippi Alluvial Plain (ver. 2.0, July 2024)
Department of the Interior —
Electrical resistivity results from four regional airborne electromagnetic (AEM) surveys (Burton et al. 2024, Hoogenboom et al. 2023, Minsley et al. 2021 and Burton...
52 datasets found