Stoping methods and costs in the gold mines of the Baguio district, Mountain Province, Philippines.

Stoping methods and costs in the gold mines of the Baguio district, Mountain Province, Philippines.

Dettagli Bibliografici
Enti autori: Philippines (Commonwealth) Bureau of Mines, Philippines (Republic). Bureau of Mines
Natura: Libro
Lingua:English
Pubblicazione: Manila [s.n. 19--]
Soggetti:
Mines and minerals resources > Philippines.