[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: 43CFR421.13] [Page 589] 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. 421.13 Closing of areas. The Project Manager may establish a reasonable schedule of visiting hours for all or portions of the area. He may close or restrict the public use of all or any portion of the property when necessary for protection of the property or the safety and welfare of persons. All persons shall obey signs designating closed areas and visiting hours.