University of Illinois Urbana-Champaign

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Showing 391–420 of 2,455 items
Thumbnail for Regional maps of vertical magnetic intensity in Illinois.
Regional maps of vertical magnetic intensity in Illinois.
McGinnis, Lyle David; Heigold, Paul C.

Thumbnail for The Borden siltstone (Mississippian) delta in southwestern Illinois
The Borden siltstone (Mississippian) delta in southwestern Illinois
Swann, David Henry; Lineback, Jerry Alvin; Frund, Eugene

Thumbnail for Guide to the Geology, Hydrogeology, Botany, History, and Archaeology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Guide to the Geology, Hydrogeology, Botany, History, and Archaeology of the Driftless Area of Northwestern Illinois, Jo Daviess County
Panno, Samuel V.; Millhouse, Philip G.; Nyboer, Randy W.; Watson, Daryl; Kelly, Walton R.; Anderson, Lisa M.; Abert, Curtis C.; Luman, Donald E.

Thumbnail for Big Muddy River area assessment
Big Muddy River area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis; Illinois Department of Natural Resources. State Geological Survey Division

Thumbnail for Availability of the Herrin coal for mining in Illinois
Availability of the Herrin coal for mining in Illinois
Treworgy, Colin G.; Korose, Christopher P.; Wiscombe, Christine L.

Thumbnail for ISGS geonews
ISGS geonews
Submitter: Howard Ding

Thumbnail for Year-book for 1907.
Year-book for 1907.
Illinois State Geological Survey

Thumbnail for ISGS Geonews
ISGS Geonews
Illinois State Geological Survey

Thumbnail for Kinkaid area assessment
Kinkaid area assessment
Illinois Department of Natural Resources. Office of Scientific Research and Analysis

Thumbnail for Spoon River area assessment
Spoon River area assessment
Submitter: Steven Mccauley