Select major core conservation areas along Illinois Department of Transportation holdings within the project area.

This includes Hackmatack National Wildlife Refuge Core and Corridor Areas (from United States Fish and Wildlife Service metadata...This data describes the Approved Authorized Boundary of National Wildlife Refuges in Region 3 where acquisition or easements are desired within the entire boundary), Volo Bog State Natural Area, and The Liberty Prairie Reserve boundary as identified in the Liberty Prairie Reserve Master Plan.