0 0 Archaeology

 1 0 Study of past civilizations

 0 1 Artifact

 1 1 Object created by humans

 0 2 Provenance

 1 2 An artifacts record of origin

 0 3 Context

 1 3 An artifact's surroundings

 0 4 Strata

 1 4 Layers of soil

 0 5 Stratigraphical Excavation

 1 5 Step-by-step removal of soil