The contractor for the Shrewsbury–Chester line died in what year?
Shrewsbury–Chester line The Shrewsbury–Chester line, also known as the Severn–Dee Mainline (after the rivers on which Shrewsbury and Chester stand), was built in 1846 as the Shrewsbury and Chester Railway. The engineer for the line was Henry Robertson, a partner in locomotive builders Beyer Peacock, while the contractor was Thomas Brassey in partnership with William Mackenzie and Robert Stephenson.
Wellington and Severn Junction Railway The Wellington and Severn Junction railway was a railway in Shropshire, England. It was built between 1857 - 1861 and formed part of the Wellington to Craven Arms Railway. For much of its working life it was operated by the Great Western Railway and subsequently the Western Region of British Railways.