Sean Lewis talks about his early caving in Indiana, including drawing up what’s become Matt’s favorite cave map. He also shares about the ongoing Fisher Ridge project with which he’s been involved for years, as well as expedition trips in Mexico in this first of a two-part interview that scratches the surface of his prolific caving life.Order a custom cave suit from our sponsor, Sophireaptress!https://www.sophireaptress.com/Order custom cave survey notes from Custom Cave Pages:https://www.customcavepages.com/REGISTER for the 2026 NSS Conventionhttps://caves.org/convention/2026-nss-convention/Volunteer coordinator for ConventionEmail [email protected] Calendar of Eventshttps://caves.org/calendar/Find your local grotto!https://caves.org/committee/i-o/grottos/new_grotto_page-v2.shtml