University of Illinois Urbana-Champaign

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Showing 5941–5970 of 39,505 items
Thumbnail for Paving brick and paving brick clays of Illinois.
Paving brick and paving brick clays of Illinois.
Rolfe, Charles Wesley; Purdy, Ross C.; Talbot, Arthur Newell; Baker, Ira Osborn

Thumbnail for Marion County surface water resources
Marion County surface water resources
Fisher, Raymond E.; Brown, Harvey P.