Context

Context of False-color-image map of quadrangles 3666 and 3766, Balkh (219), Mazar-I-Sharif (220), Qarqin (213), and Hazara Toghai (214) quadrangles, Afghanistan, by Philip A. Davis (image processing) and Kenzie J. Turner (cartography) ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the Afghan Geological Survey, and the Afghanistan Geodesy and Cartography Head Office, under the auspices of the U.S. Agency for International Development, (electronic resource)
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