TY  - BOOK
ED  - United States. Bureau of Mines.
ED  - National Audio Visual Center.
TI  - Open-pit mining hazards (motion picture)
PY  - 1967///
CY  - (S.l.)
PB  - Released by National Audiovisual Center
KW  - Strip mining
KW  - Safety measures
KW  - Accidents
N1  - Reenacts mining accidents involving dump trucks, power shovels, frontrend loaders, rail hanlage and highwall blasting in order to show what happens when workers are careless, when safety precantions are over-looked or when unsafe machinery and mining methods are used; Backup available in U-matic 3/4 in
ER  -