TY - RPRT TI - MODFLOW–LGR—Documentation of ghost node local grid refinement (LGR2) for multiple areas and the boundary flow and head (BFH2) package AU - Steffen W. Mehl AU - Mary C. Hill PY - 2013 DO - 10.3133/tm6a44 UR - https://pubs.usgs.gov/publication/tm6A44 ID - tm6A44 ER -