Map by Troy Becker. 8. Campbell County (1873-1879) was created on Jan. 8, 1873, on land from Buffalo County. ... a Dakota Territory legislator from Bon Homme, South Dakota.

YANKTON, South Dakota — What is now the southeast corner of South Dakota doesn’t look anything like it did when Lewis and Clark came through in 1804 and 1806. On a map, the sliver of land ...