- historic-liverpool.co.uk joseph-williamsons-…The Friends of Williamson’s Tunnels carry out investigations (including excavation and survey) on the site and campaigns for its protection.
- tripadvisor.com Attraction_Review-g186337-d564499…The Williamson Tunnels Heritage Centre is open every day except Monday during the Summer (April to September inclusive).
- countrylife.co.uk out-and-about/the-williamson-…There’s no map and no one yet knows how far the tunnels stretch, but, for decades, the Friends of Williamson’s Tunnels have been clearing rubble.
- hotels.com go/england/williamsons-tunnels-…One of the most popular theories of the Tunnels’ construction is that Williamson was a philanthropist and wanted to employ a lot of people.
- hoteis.com go/england/williamsons-tunnels-…One of the most popular theories of the Tunnels’ construction is that Williamson was a philanthropist and wanted to employ a lot of people.
- youtube.com watchA Brief History of the Williamson Tunnels.39 bin görüntülemeYayınlandı4 Eki 2011
- citydays.com places/williamson-tunnels/Today, thanks to organisations like the Joseph Williamson Society and the Friends of Williamson's Tunnels, sections of the tunnels are accessible to the public.
- the-elusive.uk archives/category/underground/…I Once again returned to Williamson’s tunnels this time with a group of volunteers that were from Drakelow Tunnels also!
- familydaysout.com attractions-uk/williamson-…The Williamson Tunnels provides an insight into the underground world that was created by Joseph Williamson in the 19th century.
- atlasobscura.com places/williamson-tunnelsA second organization, Friends of the Williamson Tunnels, was founded in 1996, and also leads tours of parts of the tunnels as well.