A source for free government photos and images

Looking for photographs or images to use that are in the public domain? Start your search at usa.gov with U.S. Government Photos and Images. It includes many images that are in the public domain and can be freely used and that are broken down by topic. See the link here.

(Original article discussing freely available government images ran in Spring /11 Documents to the People by Rebecca Hyde and Lucia Orlando; issue is available here.)