Subjects: TOPOGRAPHY; COLLUVIUM; ALLUVIUMSOMME River Valley (France)
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Subjects: EVIDENCE; IRON Age; SILO design & construction
Subjects: STRUCTURAL geology; THRUST faults (Geology); ALLUVIUMALGERIA
Subjects: *SOILS; *ALLUVIUM; *VERTISOLSTUNISIA
Subjects: DIAPHRAGM walls; HIGH speed trains; JOINT venturesBIRMINGHAM (England)BALFOUR Beatty PLC