Mine economics sampling, valuation, organization, administration

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Truscott, Samuel John, 1870-
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	London Mining Pub. 1947.
Eagrán:	2nd ed.
Ábhair:	Mine valuation. Mining industry and finance. Ores-Sampling and estimation.