TY  - BOOK
AU  - Littlefield,Max Sylvan
TI  - Preliminary report of an investigation of the molding sand resources of Illinois,
T2  - Illinois. State geological survey. Report of investigations,
AV  - TN939 .L53
PY  - 1925///
CY  - Urbana
KW  - Sand, Molding
N1  - At head of title: State of Illinois. Dept. of registration and education. Division of State geological survey
ER  -