Fig. 1. Tracing from early (1855-60) U. S. Government maps of northeastern Douglas County, Kansas, and adjacent western edge of Leavenworth County, showing stream courses and approximate distribution of woodland before deforestation had occurred. Section 4 to right of center at upper edge of figure, is now mostly included in the University of Kansas Natural History Reservation. Note inaccuracies in drainage systems on this part of map as compared with [Fig. 2].
Fig. 2. Tracing from 1950 U.S. Geological Survey maps of same area shown in [Fig. 1], indicating present distribution of woodland, and the pattern of drainage systems.