The Smith family referred to the back part of their property as “the wasteland.” It opens up to the North Fork Toutle River in the U.S. state of Washington, which was swamped with volcanic sediment and runoff from the 1980 eruption of Mount St. Helens. The sediment was further backed up when the U.S. Army Corps of Engineers constructed a sediment retention structure, or SRS, in 1989, and then raised it again in 2013, less than a mile, or a kilometer and a half, downstream from the Smiths. The goal of the project was to hold back sediment that would otherwise threaten the Columbia River’s shipping routes and southwest Washington communities. But it created a backlog of volcanic material that filled the stretch of the North Fork Toutle River that ran beside the Smiths’ property and to the dam. After the SRS was raised the first time, Mark Smith and his wife, Dawn, watched over the next few years as volcanic material accumulated for miles along the riverside portion of the Eco Park Resort: “So if you can imagine seeing a big gray sediment dune of no life, just ash, sediment from Mount St. Helens, volcanic material,” Smith told Mongabay by phone. Smith runs the nearly 80-acre (32-hectare) resort, a lodging and campground site alongside the Spirit Lake Memorial Highway. It offers the closest overnight accommodations to the volcano, so he often hosts groups of restoration ecologists and scientists. Through these researchers, and his family’s involvement in local environmental advocacy…This article was originally published on Mongabay

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