TY - RPRT TI - Use of Numerical Simulations in Surface-Water Studies by the U.S. Geological Survey in Missouri AU - David C. Heimann AU - Paul H. Rydlund AU - Susan S. Licher PY - 2006 DO - 10.3133/fs20063075 UR - https://pubs.usgs.gov/publication/fs20063075 ID - fs20063075 ER -