TY  - BOOK
AU  - Sinkankas, John
AU  - 
TI  - Prospecting for gemstones and minerals indal
U1  - 622 
PY  - 1970///
CY  - New York
PB  - Van Nostrand Reinhold Company
KW  - Drilling and boring
KW  - Shaft sinking
KW  - Well boring
KW  - Boring
KW  - Wells
KW  - Hydraulic engineering
KW  - Mining Engineering
KW  - Tunnels
KW  - Water supply engineering
ER  -