Agricultural Land Classification detailed Post 1988 survey ALCR14995

Survey name: Cobham, Proposed M25 Motorway Service Area Post 1988 Agricultural Land Classification (ALC) site survey data – scanned original paper maps and survey reports for individual sites surveyed in detail between 1989 and 1999 by the Ministry of Agriculture Fisheries and Food. Where Grade 3 is mapped this includes the subdivision of Grade 3 into subgrades 3a and 3b. Surveys use the current grading methodology as described in "Agricultural Land Classification of England and Wales," a link for which is provided with the data. Individual sites have been mapped at varying scales and level of detail from 1:5,000 to 1:50,000 (typically 1:10,000). Unedited sample point soils data and soil pit descriptions are also available for some surveys. Attribution statement: © Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right [year]. Attribution statement: © Natural England copyright. Contains Ordnance Survey data © Crown copyright and database right [year].调查名称：科伯姆、拟议M25高速公路服务区（Cobham, Proposed M25 Motorway Service Area） 1988年后农业土地分类（Agricultural Land Classification, ALC）场地调查数据——包含由农业、渔业与食品部（Ministry of Agriculture Fisheries and Food）于1989至1999年间对各详细勘察场地扫描留存的原始纸质地图与专项调查报告。其中标注为3级的土地，涵盖将3级进一步细分为3a与3b亚级的分类单元。本次调查采用《英格兰与威尔士农业土地分类》中载明的现行分级标准，该文献的链接随数据一并提供。各勘察场地的成图比例尺与细节详度存在差异，范围为1:5000至1:50000，通常采用1:10000比例尺。部分勘察项目还附带未经编辑的采样点土壤数据与土坑描述资料。 归属声明：© 自然英格兰（Natural England）版权所有。包含英国地形测量局（Ordnance Survey）数据，© 王室版权与数据库权利[年份]。 归属声明：© 自然英格兰（Natural England）版权所有。包含英国地形测量局（Ordnance Survey）数据，© 王室版权与数据库权利[年份]。