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https://osmaps.com/discover/blobgetoutside5db8a681d3/wp-content/uploads/2024/03/lifeofasurveyor_hero2.dfb116b24fe1749d7b8d7d2da6a64dab-1024x361.png1024361Ordnance Survey field surveyor and GetOutside Champion David Finlayson reveals what it's like to help map out Great Britain and how this work contributes to much more than OS leisure maps.