Revision History for U.S. Geological Survey Scientific Investigations Report 2019-5059 Groundwater Quality and Geochemistry of West Virginia’s Southern Coal Fields By: Mark D. Kozar, Mitchell A. McAdoo, and Karl B. Haase ----------------------------------------------------- First posted: February 19, 2020 ----------------------------------------------------- Revised and reposted March 12, 2020, as version 1.1 Error found on page 2: Sentence in the first paragraph of the second column changed from: "The maximum selenium concentration was for an outfall site, with a concentration of 7.4 µg/L." to: "The maximum selenium concentration was for a well, with a concentration of 16.6 µg/L."