Airborne Surveying
![Image shows a helicopter resting on the prairie with mountains in the background](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/magnetic-field-survey-crew-great-sand-dunes-national-park-preserve-colorado.png?itok=IM0yH5Y1)
Detailed Description
Coauthor Tien Grauch (middle) with the flight crew as they prepare to survey the magnetic field near Great Sand Dunes National Park and Preserve in Colorado.
Sources/Usage
Public Domain.
Coauthor Tien Grauch (middle) with the flight crew as they prepare to survey the magnetic field near Great Sand Dunes National Park and Preserve in Colorado.
Public Domain.