USGS digital orthophoto of Omak Airport in the U.S. state of Washington
<a href="//commons.wikimedia.org/w/index.php?title=United_States_Geological_Survey&amp;action=edit&amp;redlink=1" class="new" title="United States Geological Survey (page does not exist)">United States Geological Survey</a> (USGS)
USGS via <a href="//commons.wikimedia.org/w/index.php?title=TopoQuest&amp;action=edit&amp;redlink=1" class="new" title="TopoQuest (page does not exist)">TopoQuest</a>: <a rel="nofollow" class="external text" href="http://www.topoquest.com/map.php?lat=48.464169&amp;lon=-119.518059&amp;datum=nad83&amp;zoom=4&amp;map=sat1m&amp;coord=d&amp;mode=zoomin&amp;size=l">Topoquest</a>