TY  - BOOK
T1  - Siliceous materials of extreme southern Illinois:silica, novaculite, ganister, calico rock, and chert gravels.
DA  - 1953.
CY  - Urbana,
AU  - Lamar, J. E.
VL  - no. 166
CN  - TN948.S6
CN  - TN948.S6
PP  - Urbana,
PY  - 1953.
ID  - 17292
KW  - Silica.
TI  - Siliceous materials of extreme southern Illinois:silica, novaculite, ganister, calico rock, and chert gravels.
ER  -