United_States_Park_Police_Officers-old.jpg

Description
English: United States Park Police officers (historical
Source http://www.nps.gov/uspp/authistpag.htm
Author United States Federal Government
Permission
( Reusing this file )
Public domain This image or media file contains material based on a work of a National Park Service employee, created as part of that person's official duties. As a work of the U.S. federal government , such work is in the public domain in the United States. See the NPS website and NPS copyright policy for more information.