The files were created using Groundwater Vistas version 6.58 build 5 or earlier. Users may need to update their software to use the provided files. Groundwater Vistas may be Novice users are encouraged to review the Groundwater Vistas manual and associated tutorials for further explanation of how Groundwater Vistas works. For details water-table elevation about an average linear regional gradient. A regional groundwater divide exists at the right boundary and the regional discharge area is in the upper left corner of the system. The analysis upon which this illustration is based was originally presented by Toth (1963) using an analytical solution of the groundwater flow A version of the Groundwater Vistas model including all necessary files, as well as the native MODFLOW files, are available for download from the Little Plover River Basin Groundwater Flow ModelUser's Manual Background information and settings B efore you begin, you may find it helpful to familiarize