Geologic map of quadrangles 3168 and 3268, Yahya-Wona (703), Wersek (704), Khayr-Kot (521), and Urgon (522) quadrangles, Afghanistan [electronic resource] / compiled by Robert G. Bohannon ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the Afghan Geological Survey ... [et al.]
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2007.