A 14.5 cm by 20 cm by 1.5 cm thick, marble, memento with an engraved plaque presented to W. Evans of AECL to commemorate his contributions to the Embalse Nuclear Power Project in Argentina. The plaque is held in a 20 cm by 27 cm by 7 cm, lined, blue, presentation case. The nuclear generating unit, installed at Rio Tercero, Cordoba in Argentina, was a CANDU 6 purchased from AECL. Construction started in 1976 and the station went into commercial operation in 1984. The plaque, signed by James Donnelly, President and CEO of AECL, was presented to Evans on the occasion of the station inauguration on 3 May 1993.