TY - RPRT TI - Preliminary description of a model of ground-water flow and ground-water/surface-water interaction for predevelopment , 1941-50, and 1950-97 development conditions in part of the Republican River Basin, Nebraska, Kansas, and Colorado as of April 26, 2002 AU - Matthew K. Landon PY - 2002 DO - 10.3133/ofr02175 UR - https://pubs.usgs.gov/publication/ofr02175 ID - ofr02175 ER -