TY - RPRT TI - Groundwater-flow model of the northern High Plains aquifer in Colorado, Kansas, Nebraska, South Dakota, and Wyoming AU - Steven M. Peterson AU - Amanda T. Flynn AU - Jonathan P. Traylor PY - 2016 DO - 10.3133/sir20165153 UR - https://pubs.usgs.gov/publication/sir20165153 ID - sir20165153 ER -