This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Knobwindmill. NASAsponsored experimental wind turbine on Howard's Knob in en Boone North Carolina from PDUSGov original upload log page en Knobwindmill Ckcarruthers bytes no experimental wind turbine located on HOward's Knob in Boone NC from Lewis Research Center Mountains of North Carolina Watauga County North Carolina