<p> South Dakota (East River) Vegetative Reference Site Index State Reference Site Name Vegetative Reference Prevalence Index Applicable County(s) (MLRA_Soil (Map Unit)) (P.I. < 3 meets hydrophytic vegetation indicator) 102A_Ludden (Lu) Grant, Marshall, Roberts 1.073 102A_Parnell (PcP) Codington, Deuel, Grant, 1.26 Hamlin, Roberts 102A_Parnell (Pk) Day, Grant, Marshall, 1.10 Roberts 102A_Parnell (Pa) Brookings, Clark, Hamlin, 1.10 Kingsbury 102A_Tonka (FdB) Codington, Deuel, Grant, 1.620 Hamlin, Roberts 102A_Tonka (Pk) Day, Grant, Marshall, 1.71 Roberts 102A_Tonka (PwA) Brookings, Clark, Hamlin, 1.44 Kingsbury, 102B_Baltic (Ba) Lake, McCook, Minnehaha, 1.525 Moody 102B_Tetonka (Wo) Lake, McCook, Minnehaha, 2.48 Moody 102B_Tetonka (WhA) Clay, Lincoln, McCook, 1.25 Minnehaha, Turner, Union 102B_Worthing (Wo) Lake, McCook, Minnehaha, 1.41 Moody 102B_Worthing (Ws) Clay, Lincoln, McCook, 1.30 Minnehaha, Turner, Union 55C_Hoven (Sv) Beadle, Kingsbury, Miner, 2.30 Sanborn 55C_Tetonka (Dc) Beadle, Kingsbury, 2.05 Miner, Sanborn 55C_Worthing (Wo) Beadle, Kingsbury, 1.41 Miner, Sanborn 55B_Tonka (BdB) Brown 1.66</p>