University of Illinois Urbana-Champaign

Academic Unit
Collection
Author(s)
Keyword(s)
Type of Resource
Showing 991–1020 of 1,505 items
Thumbnail for Roof strata of the Herrin (no. 6) coal member in mines of Illinois : their geology and stability
Roof strata of the Herrin (no. 6) coal member in mines of Illinois : their geology and stability
Krausse, Hans Friedrich; Damberger, H.H.; Nelson, W.J.; Hunt, Stephen R.; Ledvina, C.T.; Treworgy, C.G.; White, W.A.

Thumbnail for Annual Report 1971-72
Annual Report 1971-72
Gutowsky, H.S.