User contributions for MarkWilliamson

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18 November 2008

10 October 2008

3 September 2008

1 September 2008

16 August 2008

14 August 2008

26 July 2008

  • 15:3615:36, 26 July 2008 diff hist +265 N User:MarkWilliamsonNew page: I'm based in Cambridge and do surveying using a bicycle or unicycle and a Garmin GPS 60. My current project is in fleshing out the OSM coverage of footpaths and bridleways around the Camb... current

17 July 2008