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Bohannon, Robert G.
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Afghanistan
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1. Geologic and topographic maps of the Kabul North 30ʹ x 60ʹ quadrangle, Afghanistan
Bohannon, Robert G. U.S. Geological Survey,.
2. Geologic and topographic maps of the Kabul South 30ʹ x 60ʹ quadrangle, Afghanistan
Bohannon, Robert G. U.S. Dept. of the Interior, U.S. Geological Survey,.