1957 Map of Owanka SW

About this map

The Chicago and North Western railroad corridor anchors this mid-century portrait of Pennington County, running alongside the winding course of Boxelder Creek. This prairie landscape is defined by its drainage patterns, where Patterson Creek and long topographic depressions like Dipping Vat Draw and Brown Draw shape the ranching country. The presence of rural schoolhouses, including Harmony Sch in the northeast and Pleasant Hill Sch further south, highlights the localized community structure of the late 1950s. Surveyed just before significant shifts in rural infrastructure, the map details a network of unimproved roads and light-duty trails that connect these isolated landmarks across the undulating South Dakota terrain.