USGS digital <a href="https://en.wikipedia.org/wiki/orthophoto" class="extiw" title="w:orthophoto">orthophoto</a> of <a href="https://en.wikipedia.org/wiki/Amedee_Army_Airfield" class="extiw" title="w:Amedee Army Airfield">Amedee Army Airfield</a> in California
<a href="https://en.wikipedia.org/wiki/United_States_Geological_Survey" class="extiw" title="w:United States Geological Survey">United States Geological Survey</a> (USGS)
2006
<a href="https://en.wikipedia.org/wiki/United_States_Geological_Survey" class="extiw" title="w:United States Geological Survey">United States Geological Survey</a> (USGS)