Upkeep for hundreds of signs is the responsibility of local groups
SIOUX FALLS — Jim A. Carlson steadies his hand as he balances on a ladder in Falls Park, concentrating as he paints the raised lettering on a cast aluminum historical marker.The marker explains how the region earned its “Siouxland” nickname from 20th century author Frederick Manfred. After the marker was erected in 2000, it became discolored and faded within a decade.Carlson...