USGS scientists install a semipermanent GPS station in the southern park of Yell
Detailed Description
USGS scientists Rebecca Kramer and Dan Dzurisin install a solar panel and GPS antenna (green square) at a semipermanent GPS station in the southern part of Yellowstone National Park. The work first required digging through 4 feet of snow! USGS photo by Brian Meyers on May 21, 2019.
Sources/Usage
Public Domain.