This photographer has a default Creative Commons Attribution-NonCommercial-ShareAlike 3.0 (CC BY-NC-SA 3.0) license. However, individual photos belonging to Michael G. Simpson may have different licenses, so before using this photographer's photos, please read the licensing information displayed on specific photo pages with photos belonging to Michael G. Simpson. If you use a photo belonging to Michael G. Simpson, you must include the copyright and license that appear with the photo you want to use. If you have questions, contact Michael G. Simpson firstname.lastname@example.org.
For more information about usage, see Using the Photos in CalPhotos.