TY  - BOOK
AU  - Pirsson,Louis V.
TI  - Rocks and rock minerals: a manual of the elements of petrology without the use of the microscope, for the geologist, engineer, miner, architect, etc., and for instruction in colleges and schools,
AV  - QE431 .P68 1948
PY  - 1908///] 1915 printing
CY  - New York
PB  - J. Wiley & sons; [etc., etc.]
KW  - Petrology
ER  -