Lake Cachí
... that the Lake Cachí dam project , opened in 1966, is one of Costa Rica's earliest hydroelectric projects?
... that the <b id="mwEME"><a href="./Lake_Cachí" id="mwEMI" rel="mw:WikiLink" title="Lake Cachí">Lake Cachí</a></b> dam project <i id="mwEMM">(pictured)</i>, opened in 1966, is one of <a href="./Costa_Rica" id="mwEMQ" rel="mw:WikiLink" title="Costa Rica">Costa Rica</a>'s earliest hydroelectric projects?