Wetlands of North and South Dakota

Sanborn County, South Dakota

	Basin Area (Acres)	Basin Area / Square Mile	No. Basins	No. Basins / Square Mile
Basin Class	15,682	27.57	17,962	31.58
Temporary
Seasonal	18,335	32.24	10,299	18.11
Semipermanent	19,121	33.62	1,108	1.95
Lake	2,018	3.55	13	0.02
River	1,845	3.24	52	0.09
Total	57,001	100.23	29,434	51.76
Total Without Lake and River	53,138	93.44	29,369	51.65