This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
wilderness donated by donald graham donatedbydonaldgraham environmental forest forest service forestservice geological geology lake middle sister middlesister mountains north sister northsister oregon recreation ridge scenic sky snow south sister. hills southsisterhills stream tam macarthur ridge tammacarthurridge three sisters mountains