Version history for Water-column environmental variables and accompanying discrete CTD measurements collected offshore the U.S. Mid- and South Atlantic (formerly cited as) Prouty, N.G., and Baker, M.C., 2021, Water-column environmental variables and accompanying discrete CTD measurements collected offshore the U.S. Mid- and South Atlantic: U.S. Geological Survey data release, https://doi.org/10.5066/P9V7ODDR. (now cited as) Prouty, N.G., and Baker, M.C., 2021, Water-column environmental variables and accompanying discrete CTD measurements collected offshore the U.S. Mid- and South Atlantic (ver. 2.0, June 2022): U.S. Geological Survey data release, https://doi.org/10.5066/P9K2GOAL. ________________________________________________________ Version 1.0 posted online March 2021 ________________________________________________________ Version 2.0 revised and reposted online July 13, 2022 Changes in version 2.0: Attribute column header in data file was revised to accurately report ammonium not ammonia. No data values were changed.