The description of the data is available in the data batch metadata sheet “Soil Observatory at the municipal level of the region Nouvelle Aquitaine — Beta Version” referenced below and accessible by t
1. Région de Messaad-Aïn El Ibel : pédologie. / Pouget, M.; Danard, M. (ill.); Hadjel, S. (ill.); Scale of 1:100 000. Date of publication: 1976. (file: 00882RC_IRD_DZA_PEDO_1976_100000_IRD_DZA_PEDO_19