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- Deposit:: HARTNAGEL, C.A, AND BROUGHTON, J.G, 1951, THE MINING AND QUARRY INDUSTRIES OF NEW YORK STATE, 1937 TO 1948: NEW YORK STATE MUSEUM BULLETIN 343, P. 117
- Deposit:: KEMP, J.F., 1898, THE GEOLOGY OF THE MAGNETITES NEAR PORTHENRY, N.Y. AND ESPECIALLY THOSE OF MINEVILLE: AMERICAN INSTITUTE OF MINING AND ENGINEERING TRANSACTION, VOL. 27, P. 148
- 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
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