Portrait U.S.A. The First Color Photomosaic of the 48 Contiguous United States. Produced by the National Geographic Society. With the LANDSAT Imagery of the National Aeronautics and Space Administration Through the Photographic and Mosaic Facilities of the General Electric Company, Beltsville Photographic Engineering Laboratory: Portrait U.S.A. The First Color Photomosaic of the 48 Contiguous United States. Produced by the National Geographic Society. With the LANDSAT Imagery of the National Aeronautics and Space Administration Through the Photographic and Mosaic Facilities of the General Electric Company, Beltsville Photographic Engineering Laboratory. The United States