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Protected lands within the Mississippi River Basin (MRB).The USGS Protected Areas Database of the United States (PAD-US) is the nation's inventory of protected areas, including public open space and voluntarily provided, private protected areas, identified as an A-16 National Geospatial Data Asset in the Cadastral Theme (http://www.fgdc.gov/ngda-reports/NGDA_Datasets.html). PAD-US is an ongoing project with several published versions of a spatial database of areas dedicated to the preservation of biological diversity, and other natural, recreational or cultural uses, managed for these purposes through legal or other effective means. The geodatabase maps and describes public open space and other protected areas....
Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Agricultural Research Service, Alabama (AL), Alaska (AK), American Samoa (AS), Arizona (AZ), All tags...
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This data release is part of a study examining the occurrence of chromium and natural and anthropogenic hexavalent Chromium, Cr(VI) in groundwater. Data will be used to estimate naturally-occurring background Cr(VI) concentrations upgradient, near the plume margins, and downgradient from a mapped Cr(VI) contamination plume near Hinkley, CA (Izbicki and Groover, 2016). The data release includes grain size distribution, photographic, and associated chemical and mineral analysis data for 36 sediment core and alluvium samples as well as Scanning Electron Microscopy analysis on select grains from magnetic and heavy mineral separates collected near Hinkley, CA. The cooperator for this study is the Lahontan Regional...
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This dataset contains the soil data collected at the Vienna Wells Superfund site in Vienna, Missouri by the U.S. Geological Survey and the U.S. Environmental Protection Agency. Concentrations of tetrachloroethylene (PCE), trichloroethylene (TCE), and 1,1,2-Trichloro-1,2,2-trifluoroethane (CFC-113) are provided in micrograms per kilogram. Sample depths range from 0 to 18 feet below ground surface. Wilson, J.L., Limmer, M.A., Samaranayake, V.A., Schumacher, J.G., Burken, J.G., 2017, Tree Sampling as a Method to Assess Vapor Intrusion Potential at a Site Characterized by VOC-Contaminated Groundwater and Soil: Environmental Science and Technology, v. 51, no. 18, p. 10369-10378. DOI: 10.1021/acs.est.7b02667.


    map background search result map search result map Protected Areas Database of the United States v1.4 (MRB) Concentrations of constituents in soil samples at the Vienna Wells Site: Maries County, Missouri, 2012-2015 Grain size, mineralogic, and trace-element data from field samples near Hinkley, California Concentrations of constituents in soil samples at the Vienna Wells Site: Maries County, Missouri, 2012-2015 Grain size, mineralogic, and trace-element data from field samples near Hinkley, California Protected Areas Database of the United States v1.4 (MRB)