Mineral Marsh Nature Preserve
Location and Access:
3 miles northeast of Annawan. Part of Sec. 23, T17N, R5E, 4PM.
Sand prairie, marsh and pond of the Green River Lowland Section of the Grand Prairie Natural Division.
Owner: Illinois Department of Natural Resources, 1 Natural Resources Way., Springfield 62701 (217/785-8774); Site Superintendent, Johnson Sauk Trail State Park, 27500 N. 1200 Ave., Kewanee 61443 (309/853-5589).
Dedicated: June, 1999
Size: 230.0 acres
Topo Map: Annawan 7.5
1/2009 - R. Heidorn