Filters: Tags: Big River (X) > Types: OGC WFS Layer (X)

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Concentrations of Major and Trace Elements in Streambed and Floodplain Sediment along the Middle Big River and Tributaries in the Southeast Missouri Barite District and in Quality-Assurance Samples, 2012-15 This U.S. Geological Survey (USGS) Data Release contains locations and concentrations of metals in various size fractions in floodplain-core, streambed-sediment samples, and sediment deposited on the flood plain from the December 2015 flood and underlying soils collected from along the Middle Big River and tributaries in the Southeast Missouri Barite District from 2012 to 2015. All samples were analyzed either by inductively-coupled plasma-mass spectrometry (ICP-MS) or x-ray fluorescence (XRF). Concentrations of metals in quality-assurance samples are also presented to evaluate the effect of sample splitting and compare the U.S. Environmental Protection Agency (EPA) and USGS Missouri Water Science Center XRF units.... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Big River, Environmental Health, Geochemistry, Sediment, Soil Sciences, All tags... Southeast Missouri Barite District, Southeast Missouri Lead Mining District, USGS Science Data Catalog (SDC), Water Quality, barite, cadmium, historical mining, lead, mine waste, lead and zinc mining, mining, mining influence, zinc, Fewer tags