Add Yahoo as a preferred source to see more of our stories on Google. The U.S. Geological Survey uses Cessna 208 Grand Caravan aircrafts in low-level flights to help create three-dimensional maps of ...

Starting April 23, you might see airplanes flying low in Fort Collins, Loveland, Estes Park and Longmont. These flights are to scan Platte River Power Authority's transmission lines and structures.