University of Illinois Urbana-Champaign

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Showing 3121–3150 of 10,905 items
Thumbnail for Sand and gravel resources of Mason County, Illinois
Sand and gravel resources of Mason County, Illinois
Labotka, Theodore C.; Hester, Norman C.

Thumbnail for Manganese in water supplies
Manganese in water supplies
Corson, Harry Peach

Thumbnail for ITARP 2007 Annual Report
ITARP 2007 Annual Report
Illinois Transportation Archaeological Research Program