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.

Bibliografische gegevens
Coauteurs: Philippines (Commonwealth) Bureau of Mines, Philippines (Republic). Bureau of Mines
Formaat: Boek
Taal:English
Gepubliceerd in: Manila [s.n. 19--]
Onderwerpen:
Mines and minerals resources > Philippines.