Arts & ArchitectureDesign of drill-hole grid spacings for evaluating low-grade copper depositsRichard F Hewlett![Design of drill-hole grid spacings for evaluating low-grade copper deposits]()
Design of drill-hole grid spacings for evaluating low-grade copper deposits
Richard F Hewlett
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“Design of drill-hole grid spacings for evaluating low-grade copper deposits” by Richard F Hewlett: a public-domain book in “Arts & Architecture”, written in…
Catalogue details
- Author
- Richard F Hewlett
- Category
- Arts & Architecture
- Language
- English
- Source
- HathiTrust