TY  - BOOK
T1  - Directory of Illinois stone, sand, and gravel producers, 1985 /
DA  - 1985.
CY  - Champaign, IL :
AU  - Samson, Irma.
VL  - 91
CN  - TN24.I3
CN  - TN24.I3
PB  - Illinois State Geological Survey,
PP  - Champaign, IL :
PY  - 1985.
ID  - 105086
KW  - Stone industry and trade
KW  - Sand and gravel industry
TI  - Directory of Illinois stone, sand, and gravel producers, 1985 /
ER  -