MODFLOW 6 Version 6.0.4

This is the approved USGS MODFLOW 6.0.4 release.

Langevin, C.D., Hughes, J.D., Banta, E.R., Provost, A.M., Niswonger, R.G., and Panday, Sorab, 2019, MODFLOW 6 Modular Hydrologic Model version 6.0.4: U.S. Geological Survey Software Release, 7 March 2019, https://doi.org/10.5066/F76Q1VQV

Visit the USGS "MODFLOW and Related Programs" site for information on MODFLOW 6 and related software: https://water.usgs.gov/ogw/modflow/