High-purity dolomite in Illinois - Willman, H. B. (Harold Bowen), 1901- (Urbana, Ill., 1943)
At head of title: State of Illinois, Dwight H. Green, governor. Dept. of registration and education, Frank C. Thompson, director. Division of the State geological survey, M.M. Leighton, chief.
Keywords: Dolomite