Figure 4. Graphs showing average monthly median streamflow for (a) Mountain Creek at Grand Prairie, Texas (08050100), during pre- and post-impoundment of Joe Pool Lake, and (b) for comparison, Colorado River near Ballinger, Texas (08126380), during pre- and post-impoundment of E.V. Spence Reservoir.

Figure 4.  Average monthly median streamflow for (a) Mountain Creek at Grand Prairie, Texas (08050100), during pre- and post-impoundment of Joe Pool Lake, and (b) for comparison, Colorado River near Ballinger, Texas (08126380), during pre- and post-impoundment of E.V. Spence Reservoir.

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