| Reference | {Deposit:: DALE, T.N., 1914, SLATE IN THE UNITED STATES: UNITED STATES GEOLOGICAL SURVEY BULLETIN 586, P. 124, P 1.22}{Deposit:: SMOCK, J.C., 1888, BUILDING STONE IN THE STATE OF NEW YORK: NEW YORK STATE MUSEUM BULLETIN 3, P 140}{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 441} |