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:
arizona coconino national forest coconinonationalforest forest service forestservice heritage site heritagesite native american nativeamerican red rock ranger district redrockrangerdistrict sinagua usfs bar heritage site vbarvheritagesite verde valley verdevalley outdoors outdoor architecture building This is the largest known petroglyph