Boulby

BRITISH SULPHUR,WORLD SURVEY OF POTASH RESOURCES 3RD ED.1979ROBINSON, ET. AL., UNDERGROUND ENVIRONMENTAL PLANNING,BOULBY....1MM TRANS #90, 7/81.BRITISH SULPHUR,"POTASH SALES TO HOME MARKETS" P&K NO.1219-10/82.SHELDRICK & STIER, WORLD BANK WORKING PAPER #293 1973.BRITISH SULPHUR,"ANOTHER STAY OF EXCECUTION..." P&K 1979.BRITISH SULPHUR,"UK POTASH PROJECT ON SCHEDULE" P&K 7-8/1971ANON., CPL, PRODUCTION AND MANPOWER HISTORY.ANON., CPL, MANPOWER BREAKDOWN 11/82.ANON., CPL, CLEVELAND POTASH LTD. INFORMATION BOOKLET.NOTHOLT, AJG,"POTASH" MINERAL DOSSIER NO. 16, MRCC LONDON8/76BAYNER, DH & JE HEMINGWAY,"GEOLOGICAL AND MINERAL RE-SOURCE OF YORKSHIRE".WOODS, PJE "THE GEOLOGY OF BOULBY MINE" ECON. GEOL. 74(1979) P.409.E & M J, "BRITIAN'S FIRST MAJOR POTASH MINE CAME ON STREAM",NOVEMBER, 1973, VOL. 174, #11, PAGES 139-140.THE MINING JOURNAL, VOL 328, #8418, FEB 28, 1997, P162.WORLD BANK PAPER #293, "WORLD POTASH SURVEY", SHELDRICK &STIER, PAGE 66.INSTITUTE OF GEOLOGICAL SCIENCES, MINERAL RESOURCES DIVISIONMINERAL DOSSIER NO. 16, "POTASH", AUGUST, 1976, PAGE 7.1985 E & M J INTERNATIONAL DIRECTORY OF MINING, PAGE 252.