Jeffrey Mine

ENGINEERING AND MINING JOURNAL, JOHNS-MANVILLE, SEPT.1969,P.FISH, RICHARD, CANADIAN JOHNS-MANVILLE BEGINNING $77 MILLIONINVESTMENT PROGRAM; CANADIAN MINING JOURNAL, NOV., 1977.P.8-12.LI, TA M., DRAMATIC MODERNIZATION PROGRAM IMPROVES OVERALLPRODUCTION AT JEFFREY MINE; ENG. AND MIN. JOUR., OCT.,1973, P.75-82.NORTHERN MINER, MANY MINING CHANGES AT JOHNS-MANVILLE'SJEFFFREY OPERATION; APRIL 20, 1978, P.B3.NORTHERN MINER, JOHNS-MANVILLE'S FIRST MILL CONSTRUCTED IN1898, APRIL 20, 1978, P.B4.EVANS, R.G., OPERATIONAL PARAMETERS, DESIGN CONCEPTS ANDPRE-INSTALLATION TESTING FOR A NEW ASBESTOS PROCESSINGCOMPLEX AT THE JEFFREY MINE; CIM BULL., JULY, 1975.P.105-110.CANADIAN JOHNS-MANVILLE STAFFF, CANADIAN JOHNS-MANVILLECOMPANY LIMITED; D.E. PICKETT, ED., IN MILLING PRACTICEIN CANADA, CIM SPECIAL VOLUME 16, 1978, P.361-366.GRESHAM, RALPH B. AND ROGER D. MOREY, ELECTRIC-DRIVE TRUCKSAT CANADIAN JOHNS-MANVILLE'S JEFFREY MINE; CIM BULL.,FEB., 1974, P.47-50.MAMEN, CHRIS, GEOTECHNICAL STUDY INDESPENSABLE FORECONOMICAL SLOPE STABILITY; CANADIAN MINING JOURNAL,NOV., 1973, P.44-48.MIKKELBORG, ERIC, MINE EXPANDS-TOWN MOVES; CANADIAN MININGJOURNAL, AUG., 1973, P.48,49.