| Reference | {Deposit:: WORLD MINES REGISTER 1976-77 P 91}{Deposit:: P. 100-109.}{Deposit:: WORLD MINING REGISTER 1976-77, P. 91.}{Deposit:: MINING IN THE HARZ MOUNTAIN, MINING MAGAZINE, FEB., 1978,}{Deposit:: PP. 100-109.}{Deposit:: PREUSSAG AKTIENGESELLSCHAET METALL, ENG./MINING JOURNAL.INT-}{Deposit:: ERNATIONAL DIRECTORY OF MINING, 1980, P. 295.}{Deposit:: PREUSSAG AKTIENGESELLSCHAFT METALL AND PREUSSAG BOLIDEN BLEI}{Deposit:: GMBH ENG./MINING JOURN. INT. DIRETORY OF MINING 1980,}{Deposit:: P. 123.}{Deposit:: PREUSSAG METALL, COMP. PUB., MAY, 1981 (IN GERMAN)}{Deposit:: SPERLING, H., ON THE METALLOGENETIC SETTING OF THE ORE DEPO-}{Deposit:: SITS IN THE HARZ, ERZMETALL 33, NR. 3, 1980, PP. 134-136.}{Deposit:: WYLLIE, R.J.M., BERGBAU U1- LISTENING AS WELL AS LOOKING,}{Deposit:: WORLD MINING, SEPT., 1981, P. 52.}{Deposit:: PERSONAL COMMUNICATION WITH STAFF, SEPT., 1981.}{Reserve-Resource:: E&MJ INTERNATIONAL DIRECTORY OF MINING, 1991}{Reserve-Resource:: AME MINERAL ECONOMICS QUARTERLY MINE ANALYSIS, JUNE 1993,}{Reserve-Resource:: P. 38, 48.} |