N.M. Stat. § 4-10-1
That out of that portion of the territory of New Mexico, which was formerly embraced within the exterior limits of Guadalupe county, except those portions of said Guadalupe county, out of which the counties of Quay and Roosevelt were established and created, and out of a portion of the county of Valencia which lies immediately west of said Guadalupe county, there is hereby created and established the county of Guadalupe, which said county of Guadalupe is described as follows, as indicated by the United States survey, to wit: commencing at the southeast corner of township two north of range twenty-six east; thence north along the range line between ranges twenty-six and twenty-seven east, to the northeast corner of township eleven north of range twenty-six east; thence west along the north line of township eleven north of range twenty-six east, projected, to the northwest corner of township eleven north of range sixteen east; thence south along the range line between ranges fifteen and sixteen east to the southwest corner of township two north of range sixteen east; thence east along the south line of township two north of range sixteen east, projected, to the southeast corner of township two, north of range twenty-six east, to the point or place of beginning.
NMS § 4-10-1