Photograph as originally submitted to this page
in the Historical Marker Database www.HMdb.org
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Photographer: Bill Pfingsten
Taken: April 3, 2013
Caption: Location of Principio Foundry
Submitted: April 5, 2013, by Bill Pfingsten of Bel Air, Maryland.
Database Locator Identification Number: p237764
File Size: 3.212 Megabytes
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