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Spoil No More: Sediment as a Beneficial Resource in the Protection of Coastal Archaeological Sites
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Spoil No More: Sediment as a Beneficial Resource in the Protection of Coastal Archaeological Sites

William J Wilson
Conference on Historical and Underwater Archaeology: Landscapes in Transition: Looking to the Past to Adapt to the Future (New Orleans, LA, 01/08/2025–01/11/2025)
01/10/2025

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Abstract

For decades, “spoil” and “disposal” material were the terms used to characterize dredged sediment. The expansion of many American harbors, which often includes the deepening of existing channels, continues to relocate large volumes of sediment. In the past coastal engineers solved this problem by creating spoil islands and disposal zones. More recently, coastal engineers have begun to rebrand and recharacterize dredged sediments as a beneficial resource. Successful programs have used dredged sediment to stabilize ecosystems and create and expand wetlands. Additionally, many archaeological sites have already benefited from shoreline stabilization and even beach renourishment projects. Including cultural resources in the structured management plans of coastal stabilization projects provides new opportunities for the long-term protection of sites. This paper argues that archaeologists should consult with coastal engineers and agencies, particularly the Army Corps of Engineers, to include at-risk sites for integration into coastal management and resiliency plans.
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