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Academic Unit

Prairie Research Institute 89
Illinois State Geological Survey (ISGS) 87
Research publications from UIUC 3
Undergraduate Theses at Illinois 3
College of Liberal Arts and Sciences 1
Illinois Sustainable Technology Center (ISTC) 1
Illinois Sustainable Technology Center Publications 1
Museum of Natural History 1

Collection

Open File Series - Illinois State Geological Survey 19
Annual Report - Illinois State Geological Survey 17
Circular - Illinois State Geological Survey 14
Field Trip Guidebook - Illinois State Geological Survey 9
Guidebook - Illinois State Geological Survey 9
Staff Research, Reports, Maps, Publications, and Presentations - Illinois Sta... 4
Bulletin - Illinois State Geological Survey 3
Geonews - Illinois State Geological Survey 3
Research publications from the University of Illinois at Urbana-Champaign 3
Undergraduate Theses at Illinois 3

Author(s)

Treworgy, Janis D. 21
Illinois State Geological Survey 20
Nelson, W. John 8
Whitaker, Stephen T. 8
Reinertsen, David L. 5
Lasemi, Zakaria 4
Denny, F. Brett 3
Frankie, Wayne T. 3
Kolata, Dennis R. 3
Sargent, Michael L. 3

Keyword(s)

Geology 42
Illinois State Geological Survey Periodicals. 14
Geology, Stratigraphic 10
Geology, Stratigraphic - Charts, diagrams, etc. 6
Geology, Structural 6
Faults (Geology) 4
Geology -- Periodicals 3
Coal 2
Earthquakes - Illinois 2
Faults (Geology) - Illinois 2

Type of Resource

text 94
image 1
other 1

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Showing 1–30 of 96 items

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Thumbnail for Structural features in Illinois--a compendium

Structural features in Illinois--a compendium

Treworgy, Janis D.

Thumbnail for The Illinois Basin, a tidally and tectonically influenced ramp during mid-Chesterian time

The Illinois Basin, a tidally and tectonically influenced ramp during mid-Chesterian time

Treworgy, Janis D.

Thumbnail for Mississippian rocks in Illinois

Mississippian rocks in Illinois

Treworgy, Janis D.

Thumbnail for The Wabash Valley Fault System in southeastern Illinois

The Wabash Valley Fault System in southeastern Illinois

Bristol, Hubert M.; Treworgy, Janis D.

Thumbnail for Recent compilations of coal resource data for Federal lands in Illinois

Recent compilations of coal resource data for Federal lands in Illinois

Treworgy, Janis D.; Bargh, Margaret H.

Thumbnail for Guide to the geology of the Pere Marquette State Park Area, Jersey County / Illinois State geological Survey / Fieldtrip Guidebook No. 1991 D

Guide to the geology of the Pere Marquette State Park Area, Jersey County / Illinois State geological Survey / Fieldtrip Guidebook No. 1991 D

Reinertsen, David L.; Treworgy, Janis D.

Thumbnail for Stratigraphic and structural framework along the 11:30 o'clock cross section in the Illinois Basin : Wayne County, Illinois, to Stephenson County, Illinois

Stratigraphic and structural framework along the 11:30 o'clock cross section in the Illinois Basin : Wayne County, Illinois, to Stephenson County, Illinois

Treworgy, Janis D.; Whitaker, Stephen T.; Lasemi, Zakaria

Thumbnail for The Sandwich Fault Zone of northern Illinois

The Sandwich Fault Zone of northern Illinois

Kolata, Dennis R.; Buschbach, T.C.; Treworgy, Janis D.

Thumbnail for Structural framework of the Mississippi embayment of southern Illinois

Structural framework of the Mississippi embayment of southern Illinois

Kolata, Dennis R.; Treworgy, Janis D.; Masters, John M.

Thumbnail for Middle Devonian and deeper tests in Illinois from the Devonian and deeper file (not complete for northern Illinois)

Middle Devonian and deeper tests in Illinois from the Devonian and deeper file (not complete for northern Illinois)

Treworgy, Janis D.

Thumbnail for Petroleum industry in Illinois, 1984. Oil and gas developments

Petroleum industry in Illinois, 1984. Oil and gas developments

Van Den Berg, Jacob; Treworgy, Janis D.; Elyn, Jaclyn Rendall

"Waulsortian Mounds and reservoir potential of the Ullin limestone (""Warsaw"") in Southern Illinois and adjacent areas in Kentucky"

Lasemi, Zakaria; Treworgy, Janis D.; Norby, Rodney D.; Grube, John P.; Huff, Bryan G.

Thumbnail for Sequence stratigraphy of the lower Chesterian (Mississippian) strata of the Illinois Basin

Sequence stratigraphy of the lower Chesterian (Mississippian) strata of the Illinois Basin

Nelson, W. John; Smith, Langhorne B.; Treworgy, Janis D.

Thumbnail for 6 o'clock cross section in the Illinois Basin : Wayne County, Illinois, to Gibson County, Tennessee

6 o'clock cross section in the Illinois Basin : Wayne County, Illinois, to Gibson County, Tennessee

Whitaker, Stephen T.; Treworgy, Janis D.

Thumbnail for 9 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois to St. Clair County, Illinois

9 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois to St. Clair County, Illinois

Whitaker, Stephen T.; Treworgy, Janis D.

Thumbnail for 3 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois, to Switzerland County, Indiana

3 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois, to Switzerland County, Indiana

Treworgy, Janis D.; Whitaker, Stephen T.

Thumbnail for 1 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois, to Lake County Indiana

1 O'Clock Cross Section in the Illinois Basin, Wayne County, Illinois, to Lake County Indiana

Treworgy, Janis D.; Whitaker, Stephen T.

Thumbnail for Structural Cross Section of the Paleozoic Rocks in Illinois, Wayne County to Stephenson County.

Structural Cross Section of the Paleozoic Rocks in Illinois, Wayne County to Stephenson County.

Treworgy, Janis D.; Whitaker, Stephen T.; Lasemi, Zakaria

Thumbnail for Southwest-Northeast Cross Section in the Illinois Basin, southeastern Flank of Ozark Dome, Missouri, to Southern Illinois

Southwest-Northeast Cross Section in the Illinois Basin, southeastern Flank of Ozark Dome, Missouri, to Southern Illinois

Treworgy, Janis D.; Whitaker, Stephen T.; Sargent, Michael L.

Thumbnail for West-East Cross Section in the Illinois Basin, Ozark Dome, Missouri, to Rough Creek Graben, Western Kentucky

West-East Cross Section in the Illinois Basin, Ozark Dome, Missouri, to Rough Creek Graben, Western Kentucky

Sargent, Michael L.; Treworgy, Janis D.; Whitaker, Stephen T.

Thumbnail for Northwest-Southeast Cross Section in the Illinois Basin, Sparta Shelf, Southern Illinois to Rough Creek Graben, Western Kentucky

Northwest-Southeast Cross Section in the Illinois Basin, Sparta Shelf, Southern Illinois to Rough Creek Graben, Western Kentucky

Whitaker, Stephen T.; Treworgy, Janis D.; Sargent, Michael L.; Noger, Martin C.

Thumbnail for Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1995-96 vol. 2

Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1995-96 vol. 2

Illinois State Geological Survey

Thumbnail for Bibliography and index of Illinois geology: 1986

Bibliography and index of Illinois geology: 1986

Submitter: Howard Ding

Thumbnail for Thickness variations of strata near the Albion-Ridgway fault of southeastern Illinois

Thickness variations of strata near the Albion-Ridgway fault of southeastern Illinois

Taft, Kendall L.

Thumbnail for Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1991-92 vol. 3 (recognition and service)

Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1991-92 vol. 3 (recognition and service)

Illinois State Geological Survey

Thumbnail for Bibliography and index of Illinois geology: 1982

Bibliography and index of Illinois geology: 1982

Submitter: Howard Ding

Thumbnail for Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1989-90 vol. 3 (recognition and service)

Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1989-90 vol. 3 (recognition and service)

Illinois State Geological Survey

Thumbnail for Murphysboro coal, Jackson and Perry Counties : resources with low to medium sulfur potential

Murphysboro coal, Jackson and Perry Counties : resources with low to medium sulfur potential

Jacobson, R.J.

Thumbnail for Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1993-94

Annual report to the Board of Natural Resources and Conservation / Illinois State Geological Survey Report 1993-94

Illinois State Geological Survey

Thumbnail for Middle Mississippian carbonates and siliciclastics in Western Illinois

Middle Mississippian carbonates and siliciclastics in Western Illinois

Lasemi, Zakaria; Norby, Rodney D.; Devera, Joseph A.; Fouke, Bruce W.; Leetaru, Hannes E.; Denny, F. Brett

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