Thompson, A.P., 1925, The Silver mining district in Yuma County: Arizona Mining Journal, v. 8, no. 16, p. 3-4.
Thompson, A.P.
Arizona Mining Journal, v. 8, no. 16, p. 3-4.
Mineral District, Silver, Lead, Mineralization, History, Production, Areal, Structure, Stratigraphy,
