USGS <a href="https://en.wikipedia.org/wiki/orthophoto" class="extiw" title="w:orthophoto">orthophoto</a> showing location of <a href="https://en.wikipedia.org/wiki/Thunderbird_Field_No._1" class="extiw" title="w:Thunderbird Field No. 1">Thunderbird Field No. 1</a>, a former military airfield in Arizona, now home to the <a href="https://en.wikipedia.org/wiki/Thunderbird_School_of_Global_Management" class="extiw" title="w:Thunderbird School of Global Management">Thunderbird School of Global Management</a>.
United States Geological Survey
2006
USGS via <a href="https://en.wikipedia.org/wiki/TopoQuest" class="extiw" title="w:TopoQuest">TopoQuest</a>