Wetlands of North and South Dakota


Union County, South Dakota

  Basin Area
(Acres)
Basin Area
/ Square
Mile
No. Basins No. Basins
/ Square
Mile
Basin Class 4,345 9.59 2,154 4.75
Temporary
Seasonal 3,221 7.11 1,055 2.33
Semipermanent 2,008 4.43 376 0.83
Lake 1,115 2.46 19 0.04
River 3,693 8.15 154 0.34
Total 14,382 31.73 3,758 8.29
Total Without Lake
and River
9,574 21.12 3,585 7.91


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