University of Illinois Urbana-Champaign

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Showing 9901–9930 of 15,908 items
Thumbnail for Illinois clays and shales as mortar mix,
Illinois clays and shales as mortar mix,
Hursh, Ralph Kent; Lamar, John Everts; Grim, Ralph E.

Thumbnail for Technograph. 34 (1921 - 1922)
Technograph. 34 (1921 - 1922)
Submitter: Timothy Donohue