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OFS2021-1
C606
Video highlights ISGS work in energy, mapping, and coastal issues
Fossils of the Upper Ordovician Platteville Formation in the Upper Midwest USA: An Overview
Unstratified gravel in northeast outskirts of Cary, Barrington Quadrangle, McHenry County, section 13, T43N, R8E
Clouds near Elgin, Illinois
Kame 2 miles northeast of Cary, Barrington Quadrangle, McHenry County, section 8, T43N, R9E
Ski hill from the north of Fox River, Barrington Quadrangle, McHenry County, section 17, T43N, R9E
Kansan gumbotil section north of Fairfield, Iowa
Fault in kame gravel dipping west, west of Canal Bridge, 1 mile west of Wyanet, Buda Quadrangle, Bureau County, section 13, T16N, R7E
Kame west of Canal bridge, 1 mile, west of Wyanet, Buda Quadrangle, looking south, Bureau County, section 19, T16N, R8E
Cary Terrace from the south, Barrington Quadrangle
Cary Terrace from the south, Barrington Quadrangle, West Chicago Moraine in the background and West Chicago knoll in the foreground
Morainal topography of West Chicago Moraine descending into Fox River valley, 3 miles southwest of Cary
Till on disturbed Algonquin gravel, 2 1/2 miles southeast Crystal Lake, Wisconsin Gravel Company pit, Elgin Quadrangle
Till on coarse Algonquin gravel, 2 miles west of Cary, Barrington Quadrangle
Gneiss boulder, 1 mile north of Cary, Barrington Quadrangle, McHenry County, section 12, T43N, R8E
West Branch Spring Valley looking east, Barrington Quadrangle, esker looking east, McHenry County, section 32, T43N, R9E
West Branch Spring Valley looking east, Barrington Quadrangle, esker looking east, McHenry County, section 32, T43N, R9E
West Branch Spring Valley looking east, Barrington Quadrangle, esker looking east, Cook County, possibly section 5, T42N, R9E
Hail stones in Gerard Illinois, August 13, 1929
Gutter morainal southern part of Lincoln Quadrangle, Logan County
Flat and small valley in the northwestern part of Carlinsville Quadrangle, Macoupin County
Soil A and B in loess on gumbotil 1 1/2 miles west of Carlinsville, Macoupin County, section 30, T10N, R7W
Striae on underside of Kansan till at contact with the shale, Carlinsville tile works, Macoupin County, section 33, T10N, R7W

Illinois State Geological Survey

Richard C. Berg, Director
615 E. Peabody
Champaign, IL 61820
217-333-4747
info@isgs.illinois.edu

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