LOS ALEMANES EN EL DESIERTO DE ATACAMA EN EL SIGLO XX. EMPRESARIOS, COMERCIANTES Y EDUCADORES.Published in:Historia 396, 2019, v. 9, n. 1, p. 189By:González Pizarro, José Antonio;Lufin Varas, Marcelo;Galeno Ibaceta, ClaudioPublication type:Article
Antofagasta acquires Duluth Metals for $85 million.Published in:Mining Engineering, 2014, v. 66, n. 12, p. 10Publication type:Article
Merger in Minnesota approved; One stage toward development cleared, but permitting hurdles remain.Published in:Mining Engineering, 2011, v. 63, n. 4, p. 20Publication type:Article
Minnesota merger; Duluth Metals to acquire Franconia Minerals for $75 million.Published in:Mining Engineering, 2011, v. 63, n. 2, p. 18Publication type:Article