MacKay Post Office opens on October 21, 1901.

  • By Greg Lange
  • Posted 1/01/1998
  • Essay 573
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On October 21, 1901, MacKay Post Office opens. Gus A. Jones is the first postmaster.

The post office ceased operations on July 31, 1907. We know that it was located in the vicinity of Black Diamond, but its exact location is unknown.


Guy Reed Ramsey, "Postmarked Washington, 1850-1960," Microfilm (Olympia: Washington State Library, February, 1966), 665.

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