TY  - BOOK
AU  - Crosby,W.A.
ED  - Australian Mineral Foundation
TI  - Drilling and blasting in open pits and quaries
PY  - 1981///
CY  - Brisbane
PB  - Australian Mineral Foundation
KW  - Boring
N1  - Theser course notes were presentedat a Workshop Course held by Australian Mineral Foundation Incorporated, 1981
ER  -