University of Illinois Urbana-Champaign

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Showing 1–30 of 117 items
Thumbnail for Geology of Buda Quadrangle, Illinois
Geology of Buda Quadrangle, Illinois
MacClintock, Paul; Willman, Harold Bowen

Thumbnail for A summary of the uses of limestone and dolomite
A summary of the uses of limestone and dolomite
Lamar, John Everts; Willman, Harold Bowen

Thumbnail for Origin of Illinois sand and gravel deposits
Origin of Illinois sand and gravel deposits
Lamar, J.E.; Willman, Harold Bowen

Thumbnail for The glacial boundary in southern Illinois
The glacial boundary in southern Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Illinois building stones,
Illinois building stones,
Lamar, John Everts; Willman, Harold Bowen

Thumbnail for Pleistocene stratigraphy of Illinois
Pleistocene stratigraphy of Illinois
Willman, Harold Bowen; Frye, John Chapman

Thumbnail for Loess formations of the Mississippi Valley
Loess formations of the Mississippi Valley
Leighton, Morris M.; Willman, Harold Bowen

Thumbnail for Early Ordovician strata along Fox River in northern Illinois
Early Ordovician strata along Fox River in northern Illinois
Willman, Harold Bowen; Payne, James Norman

Thumbnail for The Platteville and Galena groups in northern Illinois
The Platteville and Galena groups in northern Illinois
Willman, Harold Bowen; Kolata, Dennis R.

Thumbnail for Field conference on Niagaran reefs in the Chicago region
Field conference on Niagaran reefs in the Chicago region
Willman, Harold Bowen; Lowenstam, H.A.; Workman, L.E.

Thumbnail for Glaciation and origin of the geest in the driftless area of northwestern Illinois
Glaciation and origin of the geest in the driftless area of northwestern Illinois
Willman, Harold Bowen; Frye, John Chapman; Glass, Herbert David

Thumbnail for Cretaceous deposits and the Illinoian glacial boundary in western Illinois
Cretaceous deposits and the Illinoian glacial boundary in western Illinois
Frye, John Chapman; Willman, Harold Bowen; Glass, Herbert David

Thumbnail for Geology and mineral resources of the Marseilles, Ottawa, and Streator Quadrangles - Plates
Geology and mineral resources of the Marseilles, Ottawa, and Streator Quadrangles - Plates
Willman, Harold Bowen; Payne, James Norman; Voskuil, Walter Henry

Thumbnail for Mineral zonation of Woodfordian loesses of Illinois
Mineral zonation of Woodfordian loesses of Illinois
Frye, John Chapman; Glass, Herbert David; Willman, Harold Bowen

Thumbnail for Gumbotil, accretion-gley, and the weathering profile
Gumbotil, accretion-gley, and the weathering profile
Frye, John Chapman; Willman, Harold Bowen; Glass, Herbert David