Precision measurements

Until then, Mable had picked up trivial clutter scattered across the seabed—rusty bicycles, discarded pipes, and broken reef fragments. Nothing of note. But then the device reached Rockwell Bay, a quiet harbor in a small fishing town. Few exciting things ever happened there, at least not until this moment. Suddenly, the screens came alive, and Mable registered a distinct, unnatural shape buried beneath decades of silt and sand. The team leaned closer.
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