Claim of mammoth bones brings treasure hunters to NYC river

"Effie," the mummified remains of a baby woolly mammoth found in in Alaska in 1948 is on display at the American Museum of Natural History, Friday, Jan. 13, 2023, in New York. The 21,000-year-old specimen is a rare natural mummy, complete with skin, muscles, and other soft tissue that were preserved centuries ago within a frigid layer of moisture-blocking permafrost. (AP Photo/Mary Altaffer)

NEW YORK — Ask people what you might find buried in the muck at the bottom of New York City’s East River and they’d likely say “mob boss” before thinking of mammoth bones.