Illinois. Dept. of Public Works and Buildings.

• Lincoln and historic Illinois
• Lincoln tomb
• New Salem
• New Salem, a memorial to Abraham Lincoln
• Parks & memorials of the state of Illinois under the supervision of the Department of public works and buildings ...
• 132 years of public service
• Highway safety program, State of Illinois
• Parks and memorials of the state of Illinois
• What to see and how to see Starved Rock State Park