43 C.F.R. § 421.3 Conformity with signs and emergency directions.
Title 43 - Public Lands: Interior
Official signs of a prohibitory or directory nature and the directions of uniformed police officers shall be complied with.
Title 43: Public Lands: Interior
PART 421—RULES OF CONDUCT AT HOOVER DAM
§ 421.3 Conformity with signs and emergency directions.