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Chemistry data for assessment of crayfish from Madison County, Missouri lead mines 2015

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: August 01, 2026 at 05:28 AM | Dataset Last Updated: August 17, 2020 at 12:00 AM
These data are comprised of measurements of metals (cobalt, nickel, copper, zinc, cadmium, and lead), anions (fluoride, chloride, nitrite, bromide, nitrate, sulfate, and phosphate), dissolved organic carbon, and major cations (sodium, magnesium, potassium, calcium, manganese, iron, and strontium) in surface and pore water samples collected during an assessment of the impacts of mining-related metals on the keystone crayfish species, Orconectes quadruncus, in the St. Francois draininge in Madison County, Missouri USA.

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