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Katuruza, M. and Birch, C.
The use of unmanned aircraft system technology for highwall mapping at Isibonelo Colliery, South Africa
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J. S. Afr. Inst. Min. Metall.
, Mar 2019, vol.119, no.3, p.291-295. ISSN 2225-6253
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Perold, J. and Birch, C.
Benefits of including resistivity data in a resource model - an example from the Postmasburg Manganese Field
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J. S. Afr. Inst. Min. Metall.
, Mar 2019, vol.119, no.3, p.271-278. ISSN 2225-6253
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Birch, C.
Geological mapping and modelling training in the University of the Witwatersrand Mine Tunnel, South Africa
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J. S. Afr. Inst. Min. Metall.
, Aug 2018, vol.118, no.8, p.809-814. ISSN 2225-6253
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Birch, C.
Optimization of cut-off grades considering grade uncertainty in narrow, tabular gold deposits
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J. S. Afr. Inst. Min. Metall.
, Feb 2017, vol.117, no.2, p.149-156. ISSN 2225-6253
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Birch, C.
Impact of the South African mineral resource royalty on cut-off grades for narrow, tabular Witwatersrand gold deposits
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J. S. Afr. Inst. Min. Metall.
, Mar 2016, vol.116, no.3, p.237-246. ISSN 2225-6253
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Birch, C.
Impact of discount rates on cut-off grades for narrow tabular gold deposits
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J. S. Afr. Inst. Min. Metall.
, Feb 2016, vol.116, no.2, p.115-122. ISSN 2225-6253
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Birch, C.
New systems for geological modelling - black box or best practice?
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J. S. Afr. Inst. Min. Metall.
, Dec 2014, vol.114, no.12, p.993-1000. ISSN 2225-6253
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