TY - RPRT TI - Evaluation of techniques for mapping land and crops irrigated by center pivots from computer-enhanced Landsat imagery in part of the James River basin near Huron, South Dakota AU - K.E. Kolm PY - 1985 DO - 10.3133/wri854021 UR - https://pubs.usgs.gov/publication/wri854021 ID - wri854021 ER -