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In page Sunderland:
"By 1889 two million tons of coal per year was passing through the dock.[15] The eastern wharves, opposite the coal staiths, were mainly occupied by saw mills and timber yards, with large open spaces given over to the storage of pit props for use in the mines;[16] while to the south of Hendon Dock, the Wear Fuel Works distilled coal tar to produce pitch, oil and other products.[17]
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