Mineralogy,mineral chemistry,and paragenesis of gold,silver,and base-metal ores of the North Amethyst vein system,San Juan Mountains,Mineral County,Colorado / N.K.Foley,S.W.Caddey,C.B.Byngton,D.M.Vardiman, 1993. - 39 p. - Текст : непосредственный.
Homestaka Gold Mine,an early Proterozoic iron-formation-hosted gold deposit,Lawrence County,South Dakota / S.W.Caddey,R.L.Bachman,T.J.Campbell и др., 1991. - Текст : непосредственный.