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====Perlite Hopper Cars==== | Converted to perlite car in late 1957.

...s like Talc, [[:Category:Dolomite|Dolomite]], [[:Category:Marble|Marble]], Perlite, and Soda Ash. A seasonal stock rush kept the lines stock cars in service. To haul Perlite from a customer on the like, eight box cars were converted to have sloped s