| Reference | {Deposit:: PEETS, ROBERT G, MINING HISTORY AT CORNWALL, PA, MINING ENGI}{Deposit:: VOL 9, JULY 1957}{Deposit:: LAPHAM, DAVIS M, TRIASSIC MAGNETITE AND DIABASE AT CORNWALL,}{Deposit:: ORE DEPOSITS OF THE US, GRATON-SALES VOL 1, AIMME, NY, 1968}{Deposit:: LAPHAM AND GRAY, GEOLOGY AND ORIGIN OF THE TRIASSIC MAGNETIT}{Deposit:: POSIT AND DIABASE AT CORNWALL, PA, PA GEOL SUR BULL M56, 197}{Deposit:: LAPHAM, D M, CORNWALL- THE END OF AN ERA, PA GEOL SUR BIMONT}{Deposit:: GEOLOGY, OCT 1972}{Deposit:: LAPHAM AND GEYER, MINERAL COLLECTING IN PA, PA GEOL SUR BULL}{Deposit:: 2ND ED, 1965}{Deposit:: GORDON, SAMUEL G, MINERALOGY OF PA, SPECIAL PUBLICATION 1, A}{Deposit:: NAT SCI OF PHILADELPHIA, 1922}{Deposit:: GRAY AND LAPHAM, GUIDE TO THE GEOLOGY OF CORNWALL, PA, PA GE}{Deposit:: BULL G35, 1961}{Deposit:: ANDREWS, R W, COBALT, OVERSEAS GEOLOGICAL SURVEYS, HER MAJES}{Deposit:: STATIONERY OFFICE, LONDON, 1962}{Deposit:: BETHLEHEM MINES CORP, ENGINEERING AND MINING JOURNAL, INTERN}{Deposit:: DIRECTORY OF MINING, 1972}{Deposit:: COBALT MATERIALS SURVEY, BUMINES-USGS, FEB 1952}{Deposit:: ROSE, ARTHUR, ATLAS OF PA MINERAL RESOURCES, PA GEOL SUR BUL}{Deposit:: PART 3, 1970}{Deposit:: NORTH ATLANTIC REGIONAL STUDY, NICKEL, COBALT AND PYRITE, BU}{Deposit:: 1967}{Deposit:: AREA REPORTS- DOMESTIC, BUMINES MINERALS YEARBOOK, VOL 2, 19}{Deposit:: BETHLEHEM TO RESUME CORNWALL CONCENTRATOR, SKILLINGS MINING}{Deposit:: SEPT 21, 1974}{Deposit:: SPENCER, ARTHUR C, MAGNETITE DEPOSITS OF THE CORNWALL TYPE I}{Deposit:: USGS BULL 359, 1908}{Deposit:: ENGINEERING AND MINING JOURNAL, DIRECTORY OF MINING AND MINE}{Deposit:: OPERATIONS, 1973-74}{Deposit:: BILBREY, JOSEPH, COBALT- A MATERIALS SURVEY, BUMINES IC-8103}{Deposit:: MATERIALS SURVEY- IRON ORE, BUMINES- USGS, MAY 1956}{Deposit:: THE ECONOMICS OF BYPRODUCT METALS, BUMINES IC-8570, 1973}{Deposit:: SUSQUEHANNA RIVER BASIN STUDY, APPENDIX 1- MINERAL RESOURCES}{Deposit:: MINES, JUNE 1970}{Deposit:: FANALE AND KULP, THE HELIUM METHOD AND AGE OF CORNWALL, PA,}{Deposit:: ITE ORE, ECON GEOL VOL 57, NO 5, AUG 1962}{Deposit:: RIDGE, JOHN D, ANNOTATED BIBLIOGRAPHIES OF MINERAL DEPOSITS}{Deposit:: WESTERN HEMISPHERE, GSA MEMOIR 131, 1972}{Deposit:: DAVIDSON AND WYLLIE, ZONED MAGNETITE AND PLATY MAGNETITE IN}{Deposit:: WALL TYPE ORE DEPOSITS, ECON GEOL VOL 60, 1965}{Deposit:: TRIP REPORT, GRACE MINE AND CORNWALL PLANT, MEMORANDUM, APR}{Deposit:: 1976}{Reserve-Resource:: THE ECONOMICS OF BYPRODUCT METAL, BUREAU OF MINES}{Reserve-Resource:: INFORMATION CIRCULAR/1973.}{Reserve-Resource:: ORE DEPOSITS OF THE UNITED STATES 1933-1967, VOLUME 1;}{Reserve-Resource:: 1968 EDITION. PG. 119.}{Reserve-Resource:: COBALT: A MATERIALS SURVEY, BUREAU OF MINES INFORMATION}{Reserve-Resource:: CIRCULAR 8103.} |