United States, Defense Mapping Agency, Hydrographic Center. from British surveys between 1922 and 1826, with additions from British and French surveys to 1927 ; prepared and published by the Defense Mapping ... The Center.
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1979. Blue line print.; March 1978.; Hand annotated in red ink to show High altitude photography (HAP) sectors for photography in 1977 and 1979 with nota... The Center.