South Dakota seal Small 318×320 Medium 636×640 Large 1017×1024 Download Tiff Original 2709×2728 | (7.1 MB) Description Seal of the state of South Dakota, 1913 Keywords SD, South Dakota, State seals Galleries South Dakota, State Flags and Seals Source: C. M Stevans, ed. Standard Home and School Dictionary (New York: Leslie-Judge Co., 1913) 579