University of Illinois Urbana-Champaign

Academic Unit
Collection
Author(s)
Keyword(s)
Type of Resource
Showing 1–30 of 181 items
Thumbnail for Illinois mineral industry in 1944
Illinois mineral industry in 1944
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Clay products industry in Illinois in 1935- preliminary report
Clay products industry in Illinois in 1935- preliminary report
Newton, William Albert; Voskuil, Walter Henry

Thumbnail for Illinois mineral industry in 1943
Illinois mineral industry in 1943
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Illinois mineral industry in 1942
Illinois mineral industry in 1942
Voskuil, Walter Henry; Stevens, Douglas F.

Thumbnail for Coke from Illinois coals Illinois
Coke from Illinois coals Illinois
Thiessen, Gilbert; Voskuil, Walter Henry; Grotts, Paul E.

Thumbnail for Illinois mineral industry in 1941
Illinois mineral industry in 1941
Voskuil, Walter Henry; Stevens, Douglas F.; Oliver, G.N.