Chronology of Late Cretaceous igneous and hydrothermal events at the Golden Sunlight gold-silver breccia pipe,southwestern Montana / E.DeWitt,E.E.Foord,R.E.Zartman и др., 1996. - IV,48 p. p. - Текст : непосредственный.
Gold deposits in metamorphic rock. Pt. 1 : Gold in the United Verde massive sulfide deposit, Jerome, Arizona. The Alaska-Juneau and treadwell lode Gold systems, Southeastern Alaska ; T. D. Light, D. A. Brew, R. P. Ashley ; E.Dewitt,J.Waegli, 1989. - 36 p. - Текст : непосредственный.
Dewitt E. Geology and gold deposits of the Oatman district,nothwestern Arizona. Geology and gold deposits of the Marysville mining district,Montana ; J. W. Whipple, 1991. - V,148 p. p. - Текст : непосредственный.
DeWitt E. Base- and precious-metal concentrations of early proterozoic massive sulfide deposits in Arizona: crustal and thermochemical controls of ore deposition / E.DeWitt, 1995. - 36 p. - Текст : непосредственный.
Mineral resources of the Harcuvar Mountain wildernass study area, La Paz County, Arizona / H.Drewes,E.Dewitt,R.H.Hill и др., 1990. - 29 p. - Текст : непосредственный.