| References: |
- Deposit:: WRIGHT, C. W. GERMAN* CAPACITY TO PRODUCE AND TO CONSUME
- Deposit:: METALS, FUELS AND MINERALS, SPECIAL SUPPLEMENT #4 TO
- Deposit:: MINERAL TRADE NOTES, U.S. BUR. OF MINES, NOV 20, 1936, MAP
- Deposit:: 1976/77 WORLD MINES REGISTER, MILLER FREEMAN PUB., SAN FRAN.
- Deposit:: CALIF, 1976
- Deposit:: 1975 E/MJ INTL DIRECTORY OF MINING & MINERAL PROCESSING UNIT
- Deposit:: MCGRAW-HILL, NEW YORK 1975
- Deposit:: 1975 E/MJ INTL.DIR.OF MINING&MINERAL PROCESSING UNITS.MCGRAW
- Deposit:: NEW YORK.1975.
- Deposit:: 1973 PRIVATE REPORT
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