Hannah Hohman and Koa Reitz stood on an old bridge on a sunny afternoon, looking down at the confluence of two streams. Hohman glanced back and forth between the iced-over streams below and the GPS on her phone.
“I think that’s unnamed trib…and then that’s Montour…and they meet here,” Hohman said.
Hohman, environmental steward at Three Rivers Waterkeeper, a local environmental group. Reitz is an environmental scientist with the group…