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- Source is exactly "The Halden H. Emrick Collection (1989-02-16), Box 1, Folder 6A"
[Membership certificate issued to Halden H. Emrick by National Aeronautic Association of USA]
![[Membership certificate issued to Halden H. Emrick by National Aeronautic Association of USA]](https://digitalcollections.museumofflight.org/files/square_thumbnails/37febb592a1e2d2e335903355598264c.jpg "[Membership certificate issued to Halden H. Emrick by National Aeronautic Association of USA]")
Membership certificate issued to Halden H. Emrick by the National Aeronautic Association of USA, March 1, 1930.