TY  - BOOK
AU  - Cole,Grenville A.J.
TI  - Aids in practical geology,
AV  - QE26 .C66 1890
PY  - 1890///]
CY  - London, Philadelphia, J. B. Lippincott company
PB  - C. Griffin and company
KW  - Geology
KW  - Textbooks
N1  - Contains bibliographies
ER  -