Blue line print. "March 1978." Hand annotated in red ink to show High altitude photography (HAP) sectors for photography in 1977 and 1979 with notation "flight height 40,000'."
Imprint: [Reston, Va.] : The Center, [1979?]
Dimensions: 47 x 31 cm; Scale: 1:1,000,000
Coordinates: W0880700 W0844500 N0414500 N0375200