http://nla.gov.au/nla.obj-3652661340
Broken Hill Proprietary Company & Australian Iron and Steel. (1949). Mechanisation in the steel industry's collieries : an outline of the contributions made by the iron and steel industry towards increased efficiency in coal winning operations Retrieved April 23, 2026, from http://nla.gov.au/nla.obj-3652661340
Broken Hill Proprietary Company and Australian Iron and Steel. Mechanisation in the steel industry's collieries : an outline of the contributions made by the iron and steel industry towards increased efficiency in coal winning operations [Melbourne: Broken Hill, Proprietary Company, and, Australian Iron & Steel, 1949. Web. 23 April 2026 <http://nla.gov.au/nla.obj-3652661340>
Broken Hill Proprietary Company & Australian Iron and Steel. 1949, Mechanisation in the steel industry's collieries : an outline of the contributions made by the iron and steel industry towards increased efficiency in coal winning operations Broken Hill, Proprietary Company, and, Australian Iron & Steel, [Melbourne viewed 23 April 2026 http://nla.gov.au/nla.obj-3652661340
{{Citation
| author1=Broken Hill Proprietary Company.
| author2=Australian Iron and Steel.
| title=Mechanisation in the steel industry's collieries : an outline of the contributions made by the iron and steel industry towards increased efficiency in coal winning operations
| year=1949
| section=[32] p. : ill., maps ; 23 cm.
| location=[Melbourne
| publisher=Broken Hill, Proprietary Company, and, Australian Iron & Steel
| url=http://nla.gov.au/nla.obj-3652661340
| id=nla.obj-3652661340
| access-date=23 April 2026
| via=Trove
}}
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