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Welcome to the Preservation Technology Podcast, the show that brings you the people and projects that are advancing the future of America’s heritage. I’m Kevin Ammons with the National Park Service’s National Center for Preservation Technology and Training. Today we join NCPTT’s Derek Linn as he [...]
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.
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