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.

מידע ביבליוגרפי
Corporate Authors: Philippines (Commonwealth) Bureau of Mines, Philippines (Republic). Bureau of Mines
פורמט: ספר
שפה:English
יצא לאור: Manila [s.n. 19--]
נושאים:
Mines and minerals resources > Philippines.