Article snapshot taken from Wikipedia with creative commons attribution-sharealike license.
Give it a read and then ask your questions in the chat.
We can research this topic together.
Sierra Cuchillo (knife mountains) or Cuchillo Negro Mountains is a range of mountains, primarily in Sierra County and some in southern Socorro County, New Mexico. They were named for the knife-like shape of some of the peaks in the range, or for Cuchillo Negro an Apache leader in the region in the mid 19th century.