Northern Mining & Development Company (Tuba Mines)
Media
Part of The Marsman Magazine
- Title
- Northern Mining & Development Company (Tuba Mines)
- Language
- English
- Year
- 1939
- Rights
-
- Fulltext
- The Marsman Magazine for September, 1939 3 NORTHERN MINING & DEVELOPMENT COMPANY (TUBA MINES) The production for August was P52,- development was 172 feet, of which 69 056.99 in bullion from 2,091 tons of ore were in ore. Total development footwith a recovered value of P24.90 per age was 605.6, of which 99 feet were in ton; extraction was 93%?. ore. Capital development was 433.6 feet, Mine and mill operations were satisof which 30 were in ore. Operating factory.