TY  - ADVS
ED  - Educational Media International.
TI  - Our mineral world
PY  - 1978///
CY  - Haymarket, Va.
PB  - Educational Media International
KW  - Mines and mineral resources
N1  - Cataloging information taken from container
N2  - Topics included are : where minerals are found, modern techniques of exploration, how minerals formed in the earth, interdependence of mining and using countries, conserving our diminishing mineral resources
ER  -