Orthomosaic of Mill Pond in Durham, NH, USA. Nadir imagery collected at 250 ft AGL with a Phantom 3 Professional sUAS on September 25, 2019 by a certified FAA Part 107 remote pilot. Orthomosaic made in Agisoft PhotoScan Professional. Georeferenced WGS 84 using the aircraft's GPS metadata. Spatial resolution is 3.15 cm/pix. The first image is a screenshot of the orthomosaic for preview. We would like to acknowledge
the National Science Foundation’s support via the Research Infrastructure
Improvement Award (NSF #IIA-1539071). Any opinions, findings, and conclusions
or recommendations expressed in this material are those of the authors and do
not necessarily reflect the views of the National Science Foundation.