blog posts Preserving the Past in 3D Mar 7, 2019 9:30 am by John Lambert and Alleen BetzenhauserIllinois State Archaeological Survey Share on Facebook Tweet Email Images John Lambert and Alleen Betzenhauser describe how they used a 3D scanner to capture digital images of petroglyphs that were pecked and ground into limestone boulders during the Mississippian Period Share on Facebook Tweet Email
