Mountain Heritage Trust on X: "8) MSR Thunderbird ice axe. c1970. MSR's 2nd generation ice axe that featured an aircraft grade aluminium shaft and an array of bright colour schemes. Have you
A Brief History of the Mountaineering Ice Axe (article) by Kalikiano Kalei on AuthorsDen
MSR ThunderBird Ice Axe Lightweight Aluminum w/ Steel Tip Seattle WA | eBay