Mapping the ISDT: Original British ISDT course markers maps recovered

With much thanks due to Deryk Wylde the ISDT historian and classic off road motorcycle journalist I have now taken ownership of the original Clerk of Course OS 1″ maps used by the route markers. Hopefully apart from now being preserved for ever they can help update the course mapping we have and be shared with ISDT historians.

Map of ISDT 1954 in the Crychan Forest area of the Brecon Beacons

Map of ISDT 1954 in the Crychan Forest area of the Brecon Beacons

Image - the box of maps used but the course markers ISDT 1951 / 54

Image – the box of maps used but the course markers ISDT 1951 / 54

 

 

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