University of Illinois Urbana-Champaign

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Showing 1–30 of 118 items
Thumbnail for Geology of the fluorspar deposits of Illinois
Geology of the fluorspar deposits of Illinois
Weller, James Marvin; Grogan, Robert Mann; Tippie, Frank Emerson, joint author

Thumbnail for Geologic structure map of the northwestern Illinois zinc-lead district
Geologic structure map of the northwestern Illinois zinc-lead district
Bradbury, James C.; Grogan, Robert Mann; Cronk, R.J.

Thumbnail for Short papers on geologic subjects
Short papers on geologic subjects
Grogan, Robert Mann; Knodle, Robert D.; Lowenstam, Heinz A.; Shrode, Raymond

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District
Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C.

Thumbnail for Back Matter
Back Matter
Submitter: Howard Ding

Thumbnail for Moisture relations of banded ingredients in an Illinois coal,
Moisture relations of banded ingredients in an Illinois coal,
Rees, Orin Wainwright; Land, George William; Reed, Frank Hynes

Thumbnail for Bibliography and index of Illinois geology through 1965
Bibliography and index of Illinois geology through 1965
William, H.B.; Simon, Jack A.; Lynch, Betty M.; Langenheim, Virginia A.

Thumbnail for Commencement program. 1930/31
Commencement program. 1930/31
University of Illinois at Urbana-Champaign