The Nevada Gaming Control Board recently investigated complaints against casinos over health and safety concerns, specifically in regard to face mask issues. Now, they have released the specific violations and the names and properties. The complaints in each case allege that during repeat visits held several days apart, state inspectors saw employees and patrons without face coverings or wearing them improperly. Records showed that complaints were filed since last Friday against C.O.D. Casino in Minden. The Hotel Nevada & Gambling Hall in Ely was also caught violating state mandates. A regulator noted that casino employees approached customers while an agent…