Digital true-color photographs of bluffs and ground control points from unoccupied aerial system operations in Ludington, MI, July 11, 2019, and July 14, 2021
Images were collected using a remotely piloted unoccupied aerial system (UAS) over the bluffs of the eastern shore of Lake Michigan in Ludington, MI, a rural natural area to assess land changes. The digital imagery was collected with the internal camera of a DJI Phantom 3 PRO for 2019 data and DJI Phantom 4 PRO for …