[Code of Federal Regulations] [Title 43, Volume 1] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 43CFR421.3] [Page 588] TITLE 43--PUBLIC LANDS: INTERIOR CHAPTER I--BUREAU OF RECLAMATION, DEPARTMENT OF THE INTERIOR PART 421--RULES OF CONDUCT AT HOOVER DAM--Table of Contents Sec. 421.3 Conformity with signs and emergency directions. Official signs of a prohibitory or directory nature and the directions of uniformed police officers shall be complied with.