TY  - BOOK
AU  - Patton,John B.
TI  - Crushed stone in Indiana
T2  - Indiana. Dept. of Conservation. Division of Geology. Report of progress
AV  - QE109 .A3 no. 3
PY  - 1949///
CY  - Bloomington
KW  - Stone, Crushed
KW  - Petrology
KW  - Indiana
KW  - Quarries and quarrying
N1  - Bibliography: p. 46-47
ER  -