
Okobojo Creek winds through the southeastern corner of this Sully County landscape, carving a distinct valley into the otherwise uniform plains of central South Dakota. The mid-1960s terrain is defined by a rigorous grid of section lines and fence lines, reflecting the organized agricultural expansion of the Missouri River Basin project era. Two rural schoolhouses, Cass Sch and Hartford Sch, serve as the primary social and community nodes for the surrounding farmsteads, which are scattered across the high ground between the drainage draws. Near the creek, several Gravel Pits indicate localized extraction of glacial deposits, providing a rare industrial footprint in a territory primarily devoted to dryland farming and cattle ranching.
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This is the sole edition of this map. No revisions or reprints were ever made.
1954 · Pierre
USGS Topo · 1:250,000
1958 · Pierre
USGS Topo · 1:250,000
1965 · Artichoke Butte
USGS Topo · 1:24,000
1965 · Okobojo NE
USGS Topo · 1:24,000
1965 · Agar
USGS Topo · 1:24,000
1965 · Sully Lake
USGS Topo · 1:24,000
1970 · Agar NW
USGS Topo · 1:24,000
1970 · Agar NE
USGS Topo · 1:24,000
1970 · Artichoke Butte NE
USGS Topo · 1:24,000
1986 · Onida
USGS Topo · 1:100,000