States turn to drones to predict avalanches, spot wildlife telegraphherald.com
SALT LAKE CITY — In Utah, drones have been used to hover near avalanches to watch roaring snow. In North Carolina, they help search for the nests of …
http://www.dronestagr.am/blog/states-turn-to-drones-to-predict-avalanches-spot-wildlife-telegraphherald-com/