Ralph serves as the central point in this sparsely settled landscape of Harding County, where the high plains transition into distinctive geological formations. The area is defined by the Lodge Pole Buttes and the isolated prominence of Mud Butte to the east, providing rare vertical relief in the open rangeland. A network of township and county roads, including Vessey Twp Rd and Twin Tsp Rd, follows the section lines of the Public Land Survey System, illustrating how human settlement has been structured around the grid. Drainage patterns are carved by seasonal waterways such as Big Nasty Cr, which winds through the southern portion of the quadrangle, along with Teeter Cr and Horse Cr in the north. This survey illustrates the persistence of remote ranching outposts and the geographic isolation characteristic of the northwestern South Dakota landscape in the early twenty-first century.
13 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1935 · Reva
USGS Topo · 1:125,000
1954 · Lemmon
USGS Topo · 1:250,000
1957 · Lemmon
USGS Topo · 1:250,000
1968 · Ralph SW
USGS Topo · 1:24,000
1968 · Haley
USGS Topo · 1:24,000
1968 · Bowman-Haley Dam
USGS Topo · 1:24,000
1968 · Ralph
USGS Topo · 1:24,000
1969 · Reva NW
USGS Topo · 1:24,000
1969 · Reva NE
USGS Topo · 1:24,000
1974 · Cow Butte
USGS Topo · 1:24,000