TY  - BOOK
AU  - Cumings,E.R.
AU  - Shrock,Robert R.
TI  - The geology of the Silurian rocks of northern Indiana,
T2  - Indiana. Dept. of Conservation. Publication
AV  - QE661 .C8
PY  - 1928///
CY  - Indianapolis
PB  - W. B. Burford Print. Co.
KW  - Geology
KW  - Indiana
KW  - Geology, Stratigraphic
KW  - Silurian
N1  - Bibliography: p. 194-201
ER  -