puits (1) village (1) sol (1) sécurité (1) recherche (1) papier (1) plomb (1) laboratoire (1) in situ (1) évaluation (1) investigation (1) dommage (1) procès (1) bâtiment (1) Testing (1) Development (1) Case (1) Buildings (1) Area (1) Observations (1) Observations (1) Description and travel (1) Horizon (1) Area (1) Origin (1) Formations (Geology) (1) Testing (1) Soils (1) Research (1) Proportion (1)