Preservation Institute: Nantucket (PI:N) is an interdisciplinary program that exposes participants to the theories and methodologies of international cultural heritage conservation and the research, documentation, and management of current and potential World Heritage sites.

Kirk Cordell and Andrew Ferrell of NCPTT will be guest lecturing at the Preservation Institute: Nantucket.

Sediments used to build earthworks break down into identifiable soil horizons over time. Previous and on-going studies show that older earthworks have a more developed soil sequence with a well defined and thick accumulation of clay.