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Rookie question - how do trench map co-ordinates work?


reubenayres

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Hi,

Sorry to post such a naive question but how do trench map co-ordinates work? I guess they're like most other co-ordinate systms but, for example, how does J.11.c.6.3 actually break down? Also, do the co-ordinates indicate which particular trench map they relate to or do you have to find that out separately?

Many thanks

Reuben

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J.11 is the large co-ordinate.

J.11 is broken down into four squares; A, B, C and D.

C is broken down into eastings and northings. 6 eastings across and 3 northings up.

A square, within a square, within a square, within a map! :)

Cheers,

Tim

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Hi Reuben, Tim is right in his explanation, but you'll need to know the sheet number or location for the actual map. If you're looking for a specific battalion etc it will narrow it down considerably,

cheers, Jon

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Hi Rueben, Tim is right in his explanation, but you'll need to know the sheet number or location for the actual map. If you're looking for a specific battalion etc it will narrow it down considerably,

cheers, Jon

Indeed, narrows it down slightly :D thanks for pointing that out Jon.

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Thank-you all very much - that's very helpful.

The location I'm interested in is the area of deployment of the 11th Bn Sherwood Foresters on 17th October 1917. I think they were just outside Polygon Wood at the time. Do you know which map or maps would be relevant?

Many thanks

Reuben

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Might be worthwhile changing the thread to mention 11th SF as I am fairly sure Diaries and Maps are held.

Steve m

OK - will do - thanks for the tip.

Best wishes

Reuben

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Hi Reuben, if you would like to PM me an email address I think I can help you out with a map dated October 1917,

cheers, Jon

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Once again, many thanks to you all for your help with this.

Best wishes

Reuben

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