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The IDNR headquarters at 1 Natural Resources Way in Springfield has experienced a power outage and tree damage throughout the grounds as a result of severe storms in the area. The agency expects to reopen the building to the public on Monday, June 15, 2026, though this could be subject to change. Check back here for an update before planning to visit the office in person.

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Barton Sommer Woodland

Nature Preserve Area

5

County

Mason

Location And Access

Two miles northwest of Middletown along Salt Creek.

Description

This nature preserve contains wet-mesic floodplain forest of the Illinois River Section of the Upper Mississippi River and Illinois River Bottomlands Natural Divisions.

Ownership

Illinois Department of Natural Resources

Dedicated

February 1995

Size

52.5 acres

Topographic Quad

New Holland

Topo Map

barsom9

Google Maps

For Further Information

Site Superintendent, Sand Ridge State Forest, Box 111, Forest City IL 61532 (309/597-2212) or Illinois Department of Natural Resources, District Natural Heritage Biologist, 700 S. 10th Street, Havana, Illinois 62644 (309-543-3262).