Ashford J10, M20 (Channel Tunnel Rail Link) (ALCR02289)

Post 1988 Agricultural Land Classification (ALC) site survey data – scanned original paper maps (including ALC, sample point maps and soil resource maps where available and relevant) and survey reports for individual sites surveyed in detail by the Ministry of Agriculture Fisheries and Food (now the Department for Environment, Food and Rural Affairs (Defra) between 1989 and 1999. Where Grade 3 is mapped this includes the subdivision of Grade 3 into subgrades 3a and 3b. The surveys used the current grading methodology as described in Agricultural Land Classification of England and Wales. Revised guidelines and criteria for grading the quality of agricultural land . Individual sites have been mapped at varying scales and level of detail from 1:5,000 to 1:50,000 (typically 1:10,000). Sample point soils data (unedited) and soil pit description sheets are also available for some surveys.