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This category is meant for all National Register properties and districts in Illinois that qualified under Criterion D, locations "that have yielded or may be likely to yield, information important in history or prehistory".

Subcategories

This category has the following 2 subcategories, out of 2 total.

Pages in category "Archaeological sites on the National Register of Historic Places in Illinois"

The following 77 pages are in this category, out of 77 total. This list may not reflect recent changes.