Piers note: No. 300. Citadel: Ditch between ironstone Southern Front and granite South Ravelin; showing Southeast Salient to right, Southwest Demi-bastion in middle distance, and South Ravelin to left. Looking Southwest from near Southeast Salient.
Date.: ca. 1879
Reference: Royal Engineers Nova Scotia Archives number 6815 (Piers 300)
Nova Scotia Archives — https://archives.novascotia.ca/royalengineers/archives/?ID=163
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