Map with the geographical distribution of the areas where similar expansivity is assumed for the clays, which have been classified into four groups: none to low, low to moderate, moderate to high and high to very high. The different mapped units have been assigned age (4 possible) and lithology (7 different types). The map also shows the surface formations without distinction.
Reglamento (UE) n o 1089/2010 de la Comisión de 23 de noviembre de 2010 por el que se aplica la Directiva 2007/2/CE del Parlamento Europeo y del Consejo en lo que se refiere a la interoperabilidad de los conjuntos y los servicios de datos espaciales