norwich chalk mines entrance

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This map also indicated another tunnel leading from the old football ground chalk pit to a second landing stage along the river. The entrance is deep within Danby Wood. http://www.norwich.gov.uk/services/Pages/ChalkWorkings.aspx, http://www.heritagecity.org/research-centre/subterranean-norwich/geological-norwich.htm, https://www.youtube.com/watch?v=hneVwuDdu-E. The tunnels were 10 feet high and 8-10 feet wide. I'm trying to find the location of some of the old chalk mikes in and around Norwich, mainly Harford Hills and Rosary Road. Initially brick lined, the tunnels are left unsupported the further in they go. It was located at the castle entrance, on the route leading thence to the market. Harford Hills, which is to the south of the city, was the last working mine in the area, and was still being worked into the 1930s. The grid reference given for the location on the Defence of Britain website is more than one kilometre off the mark. The chalk workings around the site -from which Lollards’ Pit was formed led to the chalk tunnels, it is said, have been worked since the 11th century. The map was copied from Joseph Papineau's fascinating and heavily en-colon-ed book, The Norwich Mine: An Historical Journey Across Time, Or, A Dream of Copper Riches Lost: 150 Years, West of the Ontonagon, 1841-1991: A Timeless History of One Copper Mine in Michigan's Upper Peninsula. Post-medieval chalk mines comprising abandoned tunnels with an extant lime kiln on the site (NHER 9613). The flints that can be seen embedded in layers in the chalk were used to build the city’s walls and some of Norwich’s finest buildings such as the Guildhall. In this case (Bennett 1887, Money 1906) a shaft about 1.5m in diameter is dug through the cover of superficial deposits down into the unweathered chalk at depth. They built a whole line of bases from Bristol to Norwich with eight people in each and if there was an invasion they would go underground. Early workings took the form of surface pits and quarries, with later working of underground mines. Thompson & Sons, for instance, used the caves and tunnels when they occupied the Chalk Hill Works site as a natural storehouse for iron, zinc and tin, erecting two stout doors at the entrances to the main tunnels. A disused chalk mine in Norwich: Norfolk is well-known for its miles of disused chalk mines, reservoirs, Grimes Graves and a nuclear bunker - all underground. The underground structures are all classed as extremely dangerous and most have been blocked up. However, they continued to be used as places for storage. J.W. Norwich City Councils website has some good information about Norwich’s mining history http://www.norwich.gov.uk/services/Pages/ChalkWorkings.aspx. Below is a really bad video I made of my first venture into the mine. The entrance is on Rosary road, it was until recently visible from the road but now behind some new flats. There are two entrances to the mine within a few yards of each other. Ive been looking for some of the infamous Norwich chalk mines for several years and managed to track down an entrance to my first one a few months ago! I've looked online and havnt seen anything about Hartford Hills for a few years so I'm wondering wether it's still accessible, and whereabouts the entrance is in Danby Woods. Morant, the City Surveyor in 1873. The story of these mines is a long and, indeed, a highly visible one. 6. You can toggle your results between list view and map view. 24 comments. The oldest mines are located closest to the centre of Norwich and more mines were dug further out as the city grew. Tunnels created during mining for flint and chalk, at least as far back as the 13th century, certainly exist under Norwich, but mostly around the outskirts of the medieval city. The story of these mines is a long and, indeed, a highly visible one. Norwich was mined for chalk and flint from the middle ages until the start of World War 2. Chalk mines. The first 20ft or so inside are a bricks & mortar tunnel, beyond which lie the raw hewn chalk tunnels. From these earlier tunnels some 20,000 yards of chalk had been taken, probably to be used as lime in the building of the cathedral. This old tunnel entrance with its level at Riverside Road leading up the slope to the site of the Chalk Hill Works depicted on a map of the city of Norwich prepared by Mr. A.W. In 2003, the mine had coal reserves amounting to 823 million tonnes of coking coal.The mine had an annual production capacity of 4 million tonnes of coal. Rosenbaum Centre for Geological Engineering, Royal School of Mines, Imperial College, Prince Consort Road, London SW7 2BP, UK (Received August 20, 1992; revised version accepted June … I have more but most are rubbish but I’ll try and sort through them. ︎ We explored the old Harford Hills chalk mines in Norwich. The Plantation Garden is a restored Victorian town garden, maintained by volunteers, located in a former chalk mine in Norwich. ... You could smell it coming out of the entrance but once you were inside there was none at all. Here is some history by Geoffrey Goreham, who I believe was a Norwich historian taken from a website about Thorpe Hamlet. There is some interesting information on the geology of Norwich here: http://www.heritagecity.org/research-centre/subterranean-norwich/geological-norwich.htm. None at all grid reference given for the location on the weather ( unpublished 1916-18! 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