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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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Cultural Resources

Historic resources (archaeological sites and standing structures) are nonrenewable resources that enhance our understanding and appreciation of the cultural heritage of Illinois and possess information of federal, state, regional or local significance. It is the policy of the Department of Natural Resources (IDNR) to protect, preserve, conserve and interpret the historic resources present on lands owned and leased by IDNR

The CRMP secures historic resource evaluations for department undertakings in compliance with Federal and State historic preservation laws; informs department staff of research findings and recommendations; develops cultural resource management plans for department properties; nominates eligible sites to the National Register of Historic Places and develops policies and procedures for managing and protecting significant historic resources

Places of the Past

Additional Publications

Cultural/Archeological Info