TY  - BOOK
TI  - Natural resources; minerals and mining, mapping and geodetic control
SN  - NA
U1  - 333.8 UNI 
PY  - 1963///
CY  - Washington
PB  - Government printing office
KW  -  Developing countries
KW  - U.K
KW  - Mines and mineral resources
KW  - Natural resources
ER  -