TY - RPRT TI - Modifications to the diffusion analogy surface-water flow model (DAFLOW) for coupling to the modular finite-difference ground-water flow model (MODFLOW) AU - H.E. Jobson AU - A.W. Harbaugh PY - 1999 DO - 10.3133/ofr99217 UR - https://pubs.usgs.gov/publication/ofr99217 ID - ofr99217 ER -