AST-19-1570 (24 July 1975) --- An oblique view of the Rocky Mountains area of British Columbia and Alberta in Canada, as photographed from the Apollo spacecraft in Earth orbit during the joint U.S.-USSR Apollo-Soyuz Test Project mission. This picture was taken at an altitude of 222 kilometers (138 statute miles) with a 70mm Hasselblad camera using medium-speed Ektachrome QX-807 type film.