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:
seventeen mile rocks seventeenmilerocks mile rocks milerocks brisbane cairn man made manmade sandstone river marker brisbane river brisbaneriver warning queensland australia outdoor This manmade sandstone cairn was built in the s. First noted by explorer and surveyor John Oxley in concerns about the navigational