University of Illinois Urbana-Champaign

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Showing 3601–3630 of 55,600 items
Thumbnail for Degree of Hazard Evaluation Program User's Guide
Degree of Hazard Evaluation Program User's Guide
Bailey, Martin B.; Miller, Gary D.; Case, Laurie J.

Thumbnail for Summary of stratigraphy shown in geologic cross-section of Illinois Basin.
Summary of stratigraphy shown in geologic cross-section of Illinois Basin.
Workman, Lewis Edwin; Swann, D.H.; Atherton, Elwood