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Agricultural practice ; Agriculture ; California ; Canada ; Colonization ; Europeans ; Geoarchaeology ; Human impact ; Land use ; North America ; Prehistory ; Sedimentation ; Society-environment relationship ; Soil erosion ; United States of America ; Watershed
(supprimer)
Agricultural practice ; Agriculture ; California ; Canada ; Colonization ; Europeans ; Geoarchaeology ; Human impact ; Land use ; North America ; Prehistory ; Sedimentation ; Society-environment relationship ; Soil erosion ; United States of America
followed by episodic fluvial sedimentation after colonization.