Reference | {Deposit:: DARTON, N.H., AND KEITH, A., 1901, USGS GEOLOGIC ATLAS OF US, FOLIO 70, P. 7.}{Deposit:: JOHNSTON, P.M., 1964, USGS WSP 1776, PLATE 1.}{Deposit:: CARR, M.S., 1950, USGS BULL. 967, P. 48, PL. 6.}{Deposit:: BROUGHTON, P.L., 1964, ROCKS AND MINERALS, VOL 39, NO. 9-10, P. 458-460.} |