TY  - BOOK
AU  - Clarke,Frank Wigglesworth
TI  - Analysis of rocks and minerals from the laboratory of the United States Geological survey, 1880 to 1908
AV  - QE75 .B9 no. 419
PY  - 1910///
PB  - Govt. Print. Off.
KW  - Rocks
KW  - Analysis
ER  -