File:Pwa1.jpg: Revision history

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11 March 2022

22 April 2007

  • curprev 20:3620:36, 22 April 2007‎ imported>Stephen Ewen‎ 222 bytes +222‎ As a publication of the U.S. Government it is in the Public Domain.
  • curprev 17:4217:42, 22 April 2007‎ imported>Richard Jensen‎ 153 bytes +153‎ construction in US; PWA graphic, public domain Source: PWA, ''America Builds.The Record of PWA.'' U.S. Government Printing Office. 1939. Page Number: 3.
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