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.
Ambient Air Monitoring Site Marker
Photographer: Devry Becker Jones (CC0)
Taken: December 17, 2022
Caption: Ambient Air Monitoring Site Marker
Submitted: December 21, 2022, by Devry Becker Jones of Washington, District of Columbia.
Database Locator Identification Number: p696633
File Size: 6.248 Megabytes

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