An official website of the United States government
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Agencies that use Federal funds must consider the effects of their projects on historic properties
Companion Resource (PDF, 201 KB) : Includes the printable script for this video
Web Resources: Includes Web links to related Code of Federal Regulations and other links appropriate to this video module.