Nevada Revised Statutes
Chapter 203 - Crimes Against the Public Peace
NRS 203.020 - Assembling to disturb peace or to commit unlawful act.

If two or more persons assemble for the purpose of disturbing the public peace, or committing any unlawful act, and do not disperse, on being desired or commanded so to do by a judge, justice of the peace, sheriff, coroner, constable or other public officer, the persons so offending are guilty of a misdemeanor.
[1911 C&P § 328; RL § 6593; NCL § 10276]—(NRS A 1967, 489)