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pro vyhledávání: '"J. L. Gilby"'
Publikováno v:
International Journal of Mining and Geological Engineering. 6:147-162
The initial phase of the Donkin-Morien project involves the driving of two parallel tunnels through an interbedded sequence of coal measures strata to intersect the Harbour Seam which lies approximately 3.5 km offshore. The No. 2 tunnel was driven a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08b413a12ed15e9676da587208926b4c
https://doi.org/10.1007/bf00880804
https://doi.org/10.1007/bf00880804
