TY - RPRT TI - MODFLOW-2000, the U.S. Geological Survey modular ground-water model: User guide to the LMT6 package, the linkage with MT3DMS for multi-species mass transport modeling AU - Chunmiao Zheng AU - Mary Catherine Hill AU - Paul A. Hsieh PY - 2001 DO - 10.3133/ofr0182 UR - https://pubs.usgs.gov/publication/ofr0182 ID - ofr0182 ER -