Geochemical and geomorphic data from dune fields in southwestern Nebraska provide new evidence that the Nebraska Sand Hills once migrated across the North and South Platte rivers and dammed the largest tributary system to the Missouri River. The Lincoln County and Imperial dune fields, which lie downwind of the South Platte River, have compositions intermediate between the Nebraska Sand...
Authors
Daniel R. Muhs, James B. Swinehart, David B. Loope, Josh Been, Shannon Mahan, Charles A. Bush