=========================================================== Input instructions by package =========================================================== .. toctree:: :maxdepth: 1 Specifying Aquifer Properties (UPW, NPF, STO) Basic stress packages (CHD, DRN, GHB, RCH, RIV, WEL) The Discretization Package (DIS, TDIS, BAS6) Initial Conditions (IC, BAS6) The Lake Package (LAK) The Streamflow Routing Package (SFR, GAGE) Head observations (OBS, HYD) Output Control (OC)