Geology in the field

By Compton, Robert R. .
Cape Town : Earthspun Books, 2016 .
xiii, 398 pages, illustration 9781547118779

Planning open pit mines : proceedings of the Symposium on the Theoretical Background to the Planning of Open Pit Mines with Special Reference to Slope Stability, Johannesburg, Republic of South Africa, 29 August - 4 September 1970 /

Cape Town : South African Institute of Mining and Metallurgy, 1970 .
xvi, 388 pages :