These photos may be reproduced for use on websites, brochures, and printed material, unless they have the "Copyright" symbol. Most are "Public Domain", meaning they are owned by the people of the United States and may be used freely.
If you do reproduce any of these images, please give credit as "National Park Service." If the photographer is known, please credit as John Smith - National Park Service. Thank you!
Last updated: April 10, 2015