Research Article

Simulating the Evolution of Fluid Underpressures in the Great Plains, by Incorporation of Tectonic Uplift and Tilting, with a Groundwater Flow Model

Figure 13

Flow chart of the modeling process. : head specified in east; : Land surface elevation in the east; : interpolated between and Wolfcampian contour in for layers to , and between and Mississippian contour in for layers to . Box numbers in the figure after step are for labelling and are not strictly sequential.