TY - RPRT TI - Conjunctive-use optimization model and sustainable-yield estimation for the Sparta aquifer of southeastern Arkansas and north-central Louisiana AU - Paul W. McKee AU - Brian R. Clark AU - John B. Czarnecki PY - 2004 DO - 10.3133/wri034231 UR - https://pubs.usgs.gov/publication/wri034231 ID - wri034231 ER -