Trail build report: Fri 26th Oct 2012 – 20 tonnes of material Post author:Tom Post published:October 26, 2012 Post category:Croft Diary Earthline delivered 20 tonnes of material. This time we went for 18 tonnes of type 1 limestone and 2 tonnes of 10mm down rocks. This was used on the build days (Saturday and Sunday). Complete build diary. Future build events are shown on our calendar. Tags: 2012, build, north, october, rock spine, side, trail