The Mitchell Region encompasses the counties of Aurora, Bon Homme, Brule, most of Buffalo,Charles Mix, Clay, Davison,
Douglas, most of Gregory, Hanson, Hutchinson, Jerauld, Lake, Lincoln, part of Lyman, McCook, most of Miner, Minnehaha,
Moody, Sanborn, Turner, Union and Yankton. It is divided into three areas with local offices in Mitchell, Sioux Falls
and Yankton.

Region Engineer:
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Tom Week
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(605) 995-8129
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Region Operations Engineer:
PO Box 1206
Mitchell, SD 57301-7206
Physical Address: West I-90 Bypass
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Jeff Gustafson
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(605) 995-8129
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Mitchell Area Engineer:
PO Box 1206
Mitchell, SD 57301-7206
Physical Address: West I-90 Bypass
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Tammy Williams
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(605) 995-8120
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Sioux Falls Area Engineer:
5316 W. 60th St. N.
Sioux Falls, SD 57107
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Craig Smith
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(605) 367-5680
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Yankton Area Engineer:
1306 W 31st
Yankton, SD 57078-9662
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Ron Peterson
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(605) 668-2929, ext. 13
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