TY - RPRT TI - Comparison of local grid refinement methods for MODFLOW AU - S. Mehl AU - M. C. Hill AU - S. A. Leake PY - 2006 DO - 10.1111/j.1745-6584.2006.00192.x UR - https://pubs.usgs.gov/publication/70028885 ID - 70028885 ER -