| Reference | {Deposit:: LUEDKE, E.M., WRUCKE, C.T., AND GRAHAM, J.A., 1959, MINERAL OCCURRENCES OF NEW YORK STATE WITH SELECTED REFERENCES TO EACH LOCALITY: UNITED STATES GEOLOGICAL SURVEY BULLETIN 1072-F, P. 407}{Deposit:: SANFORD, R.S., AND STONE, L.H., 1949, INVESTIGATION OF BROUGHTON AND RING MAGNETITE DEPOSITS, ESSEX COUNTY, N.Y.: UNITED STATES BUREAU OF MINES REPORT OF INVESTIGATION 4404, PP. 4} |