University of Illinois Urbana-Champaign

Academic Unit
Collection
Author(s)
Keyword(s)
Type of Resource
Showing 2851–2880 of 22,122 items
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 Preliminary report on organization and method of investigations.
Preliminary report on organization and method of investigations.
Illinois. Coal mining investigations. (Co-operative agreement.)