N.M. Stat. § 4-42-4
A licensed professional surveyor appointed by the board of county commissioners shall keep two books of records that shall be furnished the surveyor by the board of county commissioners for that purpose, which books the surveyor shall transmit to the surveyor's successor in office. One book shall contain the calculations by latitudes and departures of all surveys made by the surveyor or the surveyor's deputies, and each calculation shall have a corresponding number with the plat and field notes to which it refers in the book of records. The other book shall be a book of records and so constituted as to have the left page for diagrams and plats and the right page for notes and remarks, and each diagram and plat shall be numbered progressively. The field notes of the survey so recorded shall contain a full statement of the surveys, with the variations of the magnetic needle, length of lines and location of corners, with description of such corners and description of all witness trees and other marks used as witness marks for such corners, with size, distance and course.
NMS § 4-42-4