Lead isotope analysis of Roman sling bullets points to two supply routes in the Alpine conquest campaign
A lead isotope study of Roman lead sling bullets suggests that the Roman army's conquest of the Alps under Augustus may not have proceeded along a single continuous route, but rather involved different units or different supply systems. The objects studied come mainly from the Crap Ses site in the Surseiva valley of the canton of Graubünden, Switzerland, as well as from Brigantium and Tasgetium near Lake Constance further north. Over the past 25 years, archaeologists have discovered marching camps, battlefields, observation posts, small fort remains, as well as swords, shields, hobnails, coins, and nearly 500 lead sling bullets near Crap Ses. Many of these bullets bear inscriptions of the Third Legion...
2026-08-04
