| Reference | {Deposit:: ROSKILL, 1976. THE ECONOMICS OF TITANIUM; LONDON 1976}{Deposit:: E/MH, 1977, INT. DIRECTORY OF MINING AND MINERAL PROCESSING OPERATIONS, P.0}{Deposit:: MINING ANN. REV., 1978, P. 527}{Deposit:: U.S. MINERAL RESOURCES, PROF. PAPER 820, 1973, P. 685SVINNDAL, S., 1976; THE IRON ORE DEPOSITS IN NORWAY, IN: THE IRON ORE DEPOSITS OF EUROPE AND ADJACENT AREAS, VOL. I AND II, BGR, HANNOVER, 1977 AND 1978} |