Context

Context of Geologic map of quadrangles 3062 and 2962, Charburjak (609), Khanneshin (610), Gawdezereh (615), and Galachah (616) quadrangles, Afghanistan, compiled by Dennis W. O'Leary and John W. Whitney ; U.S. Department of the Interior, U.S. Geological Survey ; prepared in cooperation with the Afghan Geological Survey ... [et al.], (electronic resource)
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