Discovered during building of a Railway

WHS that have been Discovered during building of a Railway.

Connected Sites

Site Rationale Link
Atapuerca "To the north-west is the group of sites revealed by excavation of a mining railway cutting (from which it takes its name, La Trinchera del Ferrocarril), never to be completed. These are in fact caves brought to light by the cutting and so with the appearance of rock shelters" (AB)
Canadian Rocky Mountain Parks The Burgess Shale Fossil beds were discovered during the construction of the Trans Pacific Railway. The Mount Stephen "trilobite beds were the first Burgess shale locality to be discovered. The richness of fossils in the Field area was first identified by workers associated with the construction of the Trans-Canada railway, which had (somewhat controversially) been routed through the Kicking Horse valley. Richard McConnell, of the Geological Survey of Canada, was pointed to the beds by a railway worker whilst mapping the geology around the railway line in September 1886" (Wiki)
Neolithic Flint Mines at Spiennes "The digging of a railway line in 1867 cut through 25 mining shafts and is the origin of the discovery of the site." (Unesco)

Suggestions?

Do you know of another WHS we could connect to Discovered during building of a Railway?

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A connection should:

  1. Not be "self evident"
  2. Link at least 3 different sites
  3. Not duplicate or merely subdivide the "Category" assignment already identified on this site.
  4. Add some knowledge or insight (whether significant or trivial!) about WHS for the users of this site
  5. Be explained, with reference to a source