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Photographer: Allen C. Browne
Taken: December 7, 2013
Caption:
Submarine Mine | Additional Description: Submarine mines anchored in a predetermined pattern in the river could be fired electrically from the shore.
Close-up of image on markerSubmitted: December 10, 2013, by Allen C. Browne of Silver Spring, Maryland.
Database Locator Identification Number: p262156
File Size: 0.680 Megabytes
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