1. Limited nitrate retention capacity in the Upper Mississippi River. (12th July 2018) Authors: Loken, Luke C; Crawford, John T; Dornblaser, Mark M; Striegl, Robert G; Houser, Jeffrey N; Turner, Peter A; Stanley, Emily H Journal: Environmental research letters Issue: Volume 13:Number 7(2018:Jul.) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗