PublishedDec 15, 2020TopicShare/RepublishThis story was published in partnership with the , with support from the IRE Freelance Investigative Fellowship Award.In 2009, App Thacker was hired to run a dredge along the Emory River in eastern Tennessee. Picture an industrialized fleet modeled after Huck Finn’s raft: Nicknamed Adelyn, Kylee, and Shirley, the blue, flat-bottomed boats used mechanical arms called cutterheads to dig up riverbeds and siphon the excavated sediment into shoreline canals. The largest dredge, a two-story behemoth called the Sandpiper, had pipes wide enough to swallow a...…PublishedDec 15, 2020TopicShare/RepublishThis story was published in partnership with the , with support from the IRE Freelance Investigative Fellowship Award.In 2009, App Thacker was hired to run a dredge along the Emory River in eastern Tennessee. Picture an industrialized fleet modeled after Huck Finn’s raft: Nicknamed Adelyn, Kylee, and Shirley, the blue, flat-bottomed boats used mechanical arms called cutterheads to dig up riverbeds and siphon the excavated sediment into shoreline canals. The largest dredge, a two-story behemoth called the Sandpiper, had pipes wide enough to swallow a...WW…