(IL-66-01)
E. of Seaton
, Ohio Grove Township, Mercer County, IL. 160
th
St. S. 0.75 miles from jct with 20
th
Av. E. of Seaton, E. on 15
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Av. 3.9 miles to the crib on the N. side of the road. (N41 05.424 W90 42.554) Photo 10-22-10.