A much more lengthy write-up was on HN front page a couple months ago. Here's a quote from it [1]:
"""
Decades after “the machine” radically remodeled a portion of Harvey’s Wagon Wheel Casino, Big John’s masterpiece bomb maintains legendary status at the FBI. Bureau agents acknowledge that it is unlikely that even modern bomb squads and technology could make much headway disarming Big John’s improvised explosive without setting it off...the Harvey’s bomb was the largest domestic bomb ever to explode in the United States until the bombing of the World Trade Center in 1993...why so few people these days seem to remember...Jonkey’s speculation is succinct: “Nobody died.”
"""
Decades after “the machine” radically remodeled a portion of Harvey’s Wagon Wheel Casino, Big John’s masterpiece bomb maintains legendary status at the FBI. Bureau agents acknowledge that it is unlikely that even modern bomb squads and technology could make much headway disarming Big John’s improvised explosive without setting it off...the Harvey’s bomb was the largest domestic bomb ever to explode in the United States until the bombing of the World Trade Center in 1993...why so few people these days seem to remember...Jonkey’s speculation is succinct: “Nobody died.”
"""
[1] http://www.damninteresting.com/the-zero-armed-bandit/