University of Illinois Urbana-Champaign

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Showing 7951–7980 of 8,851 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 Soil survey, Montgomery County, Illinois 86
Soil survey, Montgomery County, Illinois 86
Downey, C.E.; Odell, Russell Turner