Sarah Margoles from the Powerhouse Science Center and Mark Archuleta measure the radius of the tree at chest level before they start the process of dendrochronology, also known as tree-ring dating.

After using the increment borer, Southern Ute Indian Montessori Academy upper elementary students look at the tree sample they were able to retrieve on Tuesday, April 26.

Marcus Archuleta uses the increment borer to get a tree sample. The upper elementary students at SUIMA are studying dendrochronology so that they can be ready and informed when they go on their trip the San Luis Valley in May.

Photo Credit: Trennie Collins | The Southern Ute Drum