project type,Start date,End date,Type of primary natural,Highest primary natural mOD,Lowest primary Natural mOD,Primary Slope,Primary Truncation,Primary Truncation comments,Type of secondary natural,Highest secondary natural mOD,Lowest secondary Natural mOD,Secondary Slope,Secondary Truncation,Modern height mOD,Height of archaeology mOD,Extent of archaeology,Comments,,, EXC,25/11/2010,28/06/2014,Brickearth,8.95,8.6,NA,Yes,The extensive groundworks would have removed all archaeo-logical horizons,Gravel,8.6,7.8,NA,No,13.66,10.01,0,A series of works culminated in an excavation located within the grout shaft. Some areas were accidentally removed by the contractors but levels are reliable.,,,