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| View Original: | Runway under construction Spaceport America.jpg (3129x2347) | |||
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| Keywords: Runway under construction Spaceport America.jpg en The runway at Spaceport America as of March 2010 still under construction On the left side is a layer of asphalt and on the right a 14-inch layer of concrete laid above the asphalt Under the asphalt is a cement-treated subgrade At the far end are the machines that lay the concrete own AllenS 2010-03-13 Spaceport America Runways in the United States Construction in the United States Taken with Canon PowerShot A590 IS | ||||
