Photogrammetry for regional mapping : submitted by the Government of the United States of America
Author(s)/Corporate Author (s)United Nations. Economic and Social Council;
United Nations. Economic Commission for Africa;
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Three different systems are compared for mapping a large heretofore unmapped region. One system uses photography from an earth satellite, a second from en ultra-high aircraft using auxiliary data, and a third from a conventional high altitude air craft with or without auxiliary equipment. In each system analytic aerotriangulation plays a key role.