Apollo Soyuz Test Project ASTP, Argentina, Dunes in San Juan Dept., Rio Bermeto. Image taken on Revolution 72. Greenwich Mean Time GMT of Photo 201:31:19, Ground Elapsed Time GET 113:29, Altitude 220 km. Original Film Magazine: CX-08, Laboratory Roll 27; Camera Data: Hasselblad Reflex, 70-mm,Model 500EL, NASA Modified; Film Data: 70-mm Ektachrome, MS, Type QX-807, ASA = 64, Lens 50mm.