Mine economics sampling, valuation, organization, administration

Manylion Llyfryddiaeth
Prif Awdur:	Truscott, Samuel John, 1870-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	London Mining Pub. 1947.
Rhifyn:	2nd ed.
Pynciau:	Mine valuation. Mining industry and finance. Ores-Sampling and estimation.