Chad Yeftich, right, vice president of corporate development and external affairs at Ioneer, presents the Rhyolite Ridge lithium-boron mine project site as Bernard Rowe, managing director at Ioneer, looks on prior to leading a tour of the site on Feb. 22, 2024, in Esmeralda County. Rhyolite Ridge holds the largest known lithium-boron deposit in North America. (Bizuayehu Tesfaye/Las Vegas Review-Journal) @bizutesfaye