Keywords: Large Boulder.jpg en A group of men standing and lying upon the top of a large boulder 2011-11-08 http //digital lib uh edu/cdm4/item_viewer php CISOROOT /p15195coll17 CISOPTR 176 CISOBOX 1 REC 18 Walker Harry photographer cc-zero Rock formations Uploaded with UploadWizard Photographs in the University of Houston Libraries |