Photogrammetry-derived orthoimagery and elevation for Goldfish Lake in Port Heiden, Alaska, collected May 7, 2021
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) collected low-altitude aerial images from an unmanned aerial vehicle (UAV) on May 7, 2021 and used Structure-from-Motion (SfM) photogrammetry to produce a digital surface model (DSM) and orthoimage of Goldfish Lake in Port Heiden. The orthoimagery …