TY  - BOOK
AU  - Idriess,Ion L.
AU  - Graham,A.N.
TI  - Fortunes In Minerals : Simple Tests And How To Make Them / 
U1  - 622.1 23
PY  - 1947///
CY  - Sidney
PB  - Angus and Robertson
KW  - Mineralogy
KW  - Ores
KW  - Sampling and estimation
ER  -