The equipment was sold to a Swiss scrap dealer and was cut up in early 2010.
American scrap dealers, an industry of 1,200 or so mainly mom-and-pop operations, are sharing in the boom times.
However, some in the industry think that extra regulation will cripple legitimate scrap dealers and benefit the black market.
It's now time for scrap dealers to ditch their cash-in-hand culture.
A scrap dealer was about to buy them when the National Library took them over.
Over 10 days, she collects more than 2,000 beverage cans; they will earn her $30 from a scrap dealer.
Dubinsky grew up in midwest Michigan, where her father worked as a scrap dealer.
"And without giving away too much of the investigation, we're also checking with scrap dealers and asking them to be on the lookout."
A railway employee brought this car from scrap dealer and restored it.
The scrap dealer, Ibrahim, offering about $7 for the gate, chimed in.