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Converting WW1 Trench Maps to Modern Locations


British Trench Maps 1914 - 1918

Select your map below, including the sheet name, reference letter, number, square and x, y value.Note: If the x, y value are single digit, eg Sheet 51b.A.8.a.4.7 then tMapper assumes x as 40, y as 70

Map Sheet:

X, Y Value [0-99]:

  • Shortly we will be releasing a new version of tMapper. Thanks to the generosity of the National Library of Scotland, we have been granted the right to superimpose over 250 trench maps with our conversions.

  • You can tryout the concept preview. We'll always keep the current version and have a convenient link to it.

France Flanders

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Bulk Conversions:

Type or paste into your map list below:


Elevation Profile:

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