This article is a stub. You can help The 39 Clues Wiki by expanding it. Pueblo Spiral is one of the listed ingredients in Olivia Cahill's Serum Antidote. It can be found in New Mexico. The Pueblo Spiral is a code word for corn, which is the second ingredient. Ancient corn cob found among the ruins of the Pueblo in Unstoppable Mission 1: Written in Stone Retrieved from "https://39clues.fandom.com/wiki/Pueblo_Spiral?oldid=118375" Categories: Article stubs Unstoppable Mission 1: Written in Stone Serum Antidote Community content is available under CC-BY-SA unless otherwise noted.