The trees are known as Indian marker trees or trail trees and were bent by Native Americans in their youth to mark trails or other landmarks, like a creek crossing.
Houser’s mission: to protect the historic trees and their stories. The group has identified four marker trees and is looking into reports of 32 more across Texas.
Groups like Houser’s are popping up across the country to protect and maintain the trees.
Mountain Stewards, a nonprofit based in Jasper, Georgia has compiled a database of 1,850 marker trees in 39 states, reported the AP.
Below: "These images from the Great Lakes Trail Marker Tree Society show a typical burr oak (left), a single trunk trail marker tree (middle) and a double trunk trail marker tree with the group’s founder Dennis Downes." (Great Lakes Trail Marker Tree Society)