DescriptionLightning warning.jpg	Informational and instructional sign provided by the Niles Park District for its lightning warning system. Photographed at Kirk Lane Park, Niles, Illinois.
Date	17 December 2006
Source	Own work
Author	Kelly Martin
Permission (Reusing this file)	Own work, share alike, attribution required (Creative Commons CC-BY-SA-2.5)
Other versions	This file has an extracted image: Lightning warning (cropped).jpg.

The text of the sign is presumptively copyrighted by the Niles Park District, a governmental subdivision of the State of Illinois. The text of the sign is a publicly viewable public record of the State of Illinois. Per Illinois public record law, publicly viewable public records of the State of Illinois may be copied for any person for any purpose, including for commercial purposes; therefore, the inclusion of the text of the sign does not create a defensible copyright interest which would preclude this image as a derived work when licensed under, inter alia, a Creative Commons license.

I, the copyright holder of this work, hereby publish it under the following license:

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.

You are free:

• to share – to copy, distribute and transmit the work
• to remix – to adapt the work

Under the following conditions:

• attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
• share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.

https://creativecommons.org/licenses/by-sa/2.5CC BY-SA 2.5 Creative Commons Attribution-Share Alike 2.5 truetrue