University of Illinois Urbana-Champaign

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Showing 4651–4680 of 28,496 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 ITARP 2009 Annual Report
ITARP 2009 Annual Report
Illinois Transportation Archaeological Research Program