What animal did Lewis and Clark newly discover during their 1804 expedition up Old Baldy in Nebraska?
Old Baldy (Lynch, Nebraska): Old Baldy, also known as the Tower, is a hill located near the village of Lynch, in Boyd County, in the northern part of the state of Nebraska in the Midwestern United States. Old Baldy (Lynch, Nebraska):  It was visited by the Lewis and Clark Expedition on their way up the Missouri River in 1804; nearby, they discovered a colony of prairie dogs, an animal previously unknown to scientists. Black-tailed prairie dog:  This species was one of two described by the Lewis and Clark Expedition in the journals and diaries of their expedition.
i don't know