TY - RPRT TI - Vegetation changes over 12 years in ungrazed and grazed Conservation Reserve Program Grasslands in the central and southern plains AU - Brian S. Cade AU - Mark W. Vandever AU - Arthur W. Allen AU - James W. Terrell PY - 2005 UR - https://pubs.usgs.gov/publication/70180880 ID - 70180880 ER -