Nev. Rev. Stat. § 362.90 — One affidavit may be recorded for labor on several patented mines or mining claims

NRS  362.090    One affidavit may be recorded for labor on several patented
mines or mining claims.    A single
affidavit may be recorded for the labor on several patented mines or mining
claims belonging to the same person or held in common ownership, provided all
are located in the same county.