1969 Map of Dempster

About this map

The Dempster townsite sits at the intersection of prairie agriculture and the Chicago and North Western railroad line in this late 1960s landscape. This portion of the Glacial Lake Agassiz region shows a highly managed water system, dominated by the Big Sioux River and the engineered Boswell Diversion Ditch, which redirect flow across the plains of Hamlin County. The terrain is further defined by Stray Horse Creek and Hide Wood Creek, weaving through a grid of townships like Havana and Estelline. Cultural landmarks include the Bemis Ch and its adjacent Cem, along with the Hamlin Ch, serving as the social anchors for the surrounding farmsteads. Industrial activity is represented by several Gravel Pits, indicating the local extraction of glacial deposits that characterize this eastern South Dakota geography.