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  • Grand Canyon National Park and vicinity, Arizona /

    Relief shown by contours, shading, and spot heights. "Compiled in 1967 from 1:62,000-scale maps dated 1954 and 1962 and by photogrammetric methods from aerial photographs taken 1951, 1954, 1958, and 1960." "Supersedes ...

    • Contributor: Geological Survey (U.S.)
    • Original Format: Maps
    • Date: 1972