Masons from Nibbelink Masonry Construction Co. of Lancaster, CA, remove excess mortar from a line of concrete blocks they have set during exterior wall construction of the new Facilities Support Center at NASA's Dryden Flight Research Center.
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Masons from Nibbelink Masonry Construction Co. of Lancaster, CA, remove excess mortar from a line of concrete blocks they have set during exterior wall construction of the new Facilities Support Center at NASA’s Dryden Flight Research Center. The walls of the 38,000-square-foot structure were rapidly taking shape when this photo was taken on June 4, 2012.June 4, 2012
NASA / Tony Landis