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Please add profiles of those who were born, lived or died in Lemhi County, Idaho. The county was established in 1869, named after Fort Lemhi (or Limhi), a remote Mormon missionary settlement from 1855 to 1858 in Bannock and Shoshone territory. The Lewis and Clark Expedition entered Idaho on August 12, 1805 at Lemhi Pass in present-day Lemhi County. Meriwether Lewis and three other members of ...