TY  - BOOK
AU  - Willman,H.B.
TI  - High-purity dolomite in Illinois,
T2  - Illinois.  State geological survey.  Report of investigations
AV  - QE471 .W53
U1  - 552/.55 
PY  - 1943///
CY  - Urbana, Ill.
KW  - Dolomite
N1  - 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
ER  -