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The Conquest of Hell Gate [pdf]

(www.nan.usace.army.mil)

57 points sklargh | 1 comments | 18 May 25 11:39 UTC | HN request time: 0.391s | source

1. MontagFTB ◴[18 May 25 14:46 UTC] No.44021786[source]▶

>>44020574 (OP) #

Additional details here: https://en.wikipedia.org/wiki/Removal_of_Hell_Gate_rocks