Mine economics sampling, valuation, organization, administration

Detalhes bibliográficos
Autor principal:	Truscott, Samuel John, 1870-
Formato:	Livro
Idioma:	English
Publicado em:	London Mining Pub. 1947.
Edição:	2nd ed.
Assuntos:	Mine valuation. Mining industry and finance. Ores-Sampling and estimation.