2021 Map of Rockyford SW

About this map

The White River carves a winding path across this portion of Oglala Lakota County, defining the drainage patterns for the surrounding prairie. Much of the terrain is shaped by the presence of Wolf Canyon, where the elevation changes reveal the complex erosional history of the South Dakota landscape. Transportation in this section of the Pine Ridge Reservation is sparse, primarily centered on Grass Creek Rd and a network of unimproved trails that connect the high ridges to the river valley. Water sources like W Horse Cr provide the few breaks in the topography, which is largely partitioned by the Public Land Survey System boundaries of t39n r46w and t39n r45w. The map illustrates a landscape where natural watercourses and canyon systems remain the primary geographic anchors in an area defined by its open space and limited infrastructure.