(Documentary Artifact): Three b/w photographic prints of a view of petroglyphs on rocks in Blackwater, Arizona.
Notes on verso of prints:
Image 1: OP 13029-857/ 87:16080-857/ 203/ GILA RIVER IND. RES/ [Written by Davis:] Ancient pictographs Gila Valley/ Blackwater Jan 1919/ EHD
Images 2 and 3: [Same as Image 1]