Aetna mine. Rico district. Colorado. Located, 1879; description. R. M. News. July 28, 1880 p.3 c.2 Activities; rich strike,Nigger baby hill. R. 9d. News. Sept. 16,1881 p.3 c.4 Development, probable sale, Dolores mt. H. M. Nevus. Sept.5,1884 p.6 c.1
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