TY - RPRT TI - Evidence of active dune sand on the Great Plains in the 19th century from accounts of early explorers AU - D.R. Muhs AU - V.T. Holliday PY - 2017 DO - 10.1006/qres.1995.1020 UR - https://pubs.usgs.gov/publication/70018814 ID - 70018814 ER -