Louisville District Geologist David Robison, far left, toured the Geotechnical and Structures Laboratory’s Concrete Materials Lab on the Vicksburg, Miss., campus of the U.S. Army Engineer Research and Development Center. He will work with a GSL mentor during his six-month ERDC University session. Robison was joined by his fellow ERDC-U selectees on four laboratory tours on the 700-acre campus during kickoff week activities the first week of March.