Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
National Historic Landmark plaque for the observatory
Photographer: Devry Becker Jones (CC0)
Taken: March 6, 2022
Caption: National Historic Landmark plaque for the observatory
Submitted: March 13, 2022, by Devry Becker Jones of Washington, District of Columbia.
Database Locator Identification Number: p642875
File Size: 9.871 Megabytes

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