The listed coordinates will take you to the Market Square and to a line of carved paving stones walking you through a beautiful historical tour of the city in chronological order as part of the City Refurbishment Project completed in 2011.

********Please note the information for this cache will not be accessible during market time and possibly other festivities that may cover the market square.********
One of the paving stones has been appropriately attributed to Mrs Clements or sometimes known as 'Mrs Mustard'.
I was sorry to see a cache archived related to Mrs Clements so here's a bit of the history of this entreprenurial lady who really did 'pave the way'... The story begins in 1720 with Durham’s own Mrs Clements who discovered that grinding mustard seeds like flour produced a stronger flavour. It was finely milled, separated from the stems etc and the resulting fine powder was much more pungent.

It is believed that Mrs Clements shared her Mustard with her neighbours and word spread. Before long she headed to London and introduced her new recipie to King George 1st whom enjoyed it so much, he patented the product. The mustards popularity grew and grew as Mrs Clements travelled throughout England taking orders for her product.
The business was later passed to a stationer called Ainsley but after facing competition from imported brands the Durham mustard ceased to be produced.

The original Durham mustard has since passed to a well known company based in Norwich where it is known today as English Mustard although the logo still displays the 'Durham Ox' in recognition of it's origin.
To find this letter box cache you will need to walk along the paving timeline to discover the missing coords.
The final cache can be found at N54 4A BCD W001 3E FGH, where
A = The DLI was disbanded in 19A8
B = Number of footprints + number of leaves *(look very closely!!) when King Canute makes a pilgrimage to Durham
C = Durham City police force was created in 183C
D = The number of swords when the Scots attack Durham but were driven off
E = Number of people laying the foundation stone + number of Mustard pots on Mrs Clement 's stone + number of men in the new prison
F = Number of wheels visible on the cart carrying St Cuthbert's bones + Number of coins when a Mint is established near Durham Castle + Number of Rugby balls to celebrate sport and leisure
G = Number of picks and shovels when William the Conquerer orders the building of Durham Castle + number of arches when the railway reached Durham + number of oil lamps in 1790.
H =Number of people depicted when Durham infirmary is founded
Check summation of all the 8 missing numbers = 42
As this is a letter box cache, the container contains a stamp which should not be removed -many thanks!