Geologic map of the Khanneshin Carbonatite Complex, Helmand Province, Afghanistan, modified from the 1976 original map compilation of V.G. Cheremytsin / compiled by Robert D. Tucker ; prepared in cooperation with the Afghan Geological Survey under the auspices of the U.S. Department of Defense.
Publication Info.
[Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2011.