TY - RPRT TI - Documentation of a computer program to simulate transient leakage from confining units using the modular finite-difference, ground-water flow model AU - S. A. Leake AU - P.P. Leahy AU - A. S. Navoy PY - 1994 DO - 10.3133/ofr9459 UR - https://pubs.usgs.gov/publication/ofr9459 ID - ofr9459 ER -