Core Segment Images, X-Radiographic Images, and X-Ray Fluorescence Data of Slackwater Sediments, Whitewater River, Upper Mississippi River Valley, USA

High resolution core images taken at the Continental Scientific Drilling Facility at the University of Minnesota and X-Radiographic images and X-Ray Fluorescence Data collected at the Large Lakes Observatory, University of Minnesota Duluth. Sediment descriptions completed in the Surface Processes Laboratory at the University of Minnesota Twin Cities. These data are part of a manuscript currently in review: 'History of late-glacial meltwater routing to the upper Mississippi River basin as recorded in a tributary slackwater sequence' by Penprase et al. (2026).