Photos taken from helicopter over Mammoth Hot Springs
By Yellowstone
2013 (approx.)
Detailed Description
Top: Examples of some of the photos taken from helicopter over Mammoth Hot Springs in September 2013. Photos taken by Hank Heasler. Bottom: Hill-shade image calculated from the 2013 DEM over Mammoth Hot Springs and that was derived from a series of overlapping photos using Structure-from-Motion photogrammetry.
Sources/Usage
Public Domain.