This report presents an overview of the geology, hydrology, and climate of the lower Helmand Basin, a large, closed, arid basin in southern Afghanistan. The basin is drained by the Helmand River, the only perennial desert stream between the Indus and Tigris-Euphrates ...

This report was prepared in response to Delivery Order No. 15 underAI.D. Contract No. 306-020S-C-OO-9385-00, Afghanistan Studies Project. The objectives of the Delivery Order are to1. Provide an objective, single-volume, resource document, with maps, for development ...