TY - RPRT TI - Effects of CRP field age and cover type on ring-necked pheasants in eastern South Dakota AU - S.L. Eggebo AU - K.F. Higgins AU - D.E. Naugle AU - F.R. Quamen PY - 2003 UR - https://pubs.usgs.gov/publication/70025141 ID - 70025141 ER -