Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts
5. physical sciences concepts
6. earth sciences concepts
7. earth features
8. physical features
9. hypsographic features

Narrower term/s

• mounds [NP][+]
  • cairns
  • effigy mounds (monuments) [NP]
  • burnt mounds
  • ceremonial mounds
  • conical mounds
  • platform mounds
  • cursus monuments
  • farm mounds
• artificial islands [NP][+]
  • artificial shell islands

Anotations

Scope note:

Features above sea level that are man-made rather than natural. Included are large mounds and other features that resemble natural features; excluded are buildings and bridges.