TY - RPRT TI - Grassland bird associations with introduced and native grass Conservation Reserve Program fields in the Southern High Plains AU - Thomas R. Thompson AU - Clint W. Boal AU - Duane Lucia PY - 2009 DO - 10.3398/064.069.0408 UR - https://pubs.usgs.gov/publication/70147915 ID - 70147915 ER -