| References: |
- Deposit:: US DEPT. OF STATE, AIRGRAM A-19, LISBON, PORTUGAL, DECEMBER
- Deposit:: 20, 1971, 5 PP.
- Deposit:: SKILLINGS, DAVID N., JR., IRON ORE RESEARCH PROGRAM FOR
- Deposit:: MONCORVO PROPERTY IN PORTUGAL, SKILLING*MINING REVIEW,
- Deposit:: V. 57, NO. 9, MARCH 2, 1968, PP 3-4.
- Deposit:: WORLD MINING, IRON ORE FIELD TO BE RE-EXAMINED, APRIL,1979,
- Deposit:: P. 92.
- Deposit:: EXPLORATION UND BERGHAU GMBH, DUSSELDORF, MONCORVO IRON ORE
- Deposit:: PROJECT-PORTUGAL, PRE-FEASIBILITY STUDY FOR FERROMINAS
- Deposit:: E.P., VO* 1 & 2, JANUARY, 1968.
- Deposit:: AURTHOR G. MCKEE CO. BENEFICIATION OF MONCORVO, PORTUGAL,
- Deposit:: IRON ORE, MINES EXPERIMENT STATION UNIVERSITY OF MINNESOTA
- Deposit:: MINNEAPOLIS, MN5545, DECEMBER 19, 1969, 21 PP.
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