Arkansas-White-Red

hydrologic region

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Geochemical data for core and bottom-sediment samples collected in 2007 from Grand Lake o' the Cherokees, northeast Oklahoma

In this area of historical lead-zinc mining activity, studies such as this help to assess the possibility of human exposure to cadmium and lead through eating fish.

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Geochemical data generated by projects funded by the USGS Earth Mapping Resources Initiative

Includes all geochemical data generated by each project partnership funded through Earth MRI and will be updated periodically as additional geochemical data from these projects becomes available.

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Airborne magnetic and radiometric survey over northwest Arkansas, 2019-2020

Digital flight line data for a high-resolution magnetic and radiometric survey over an area of northwest Arkansas. Data files in CSV format, with GeoTiff as well.

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Airborne magnetic and radiometric survey, southeast Missouri and western Illinois, 2018-2019

Digital flight line data for a high-resolution horizontal magnetic gradient and radiometric survey over an area of southeast Missouri and western Illinois. Data are provided in CSV and GeoTiff formats.

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