World Book Focus on Terrorism, World Book, Inc, World Book .com, 2002, ISBN 978-0-7166-1295-7, ... The region is crossed by the Helmand River, which flows from the Hindu Kush to the Sistan Basin on the Iranian border. The basin has several slightly salty lakes and marshes ...
Afghanistan: The land, Erinn Banting, Crabtree Publishing Company, 2003, ISBN 978-0-7787-9335-9, ... Lying between the deserts is the Sistan Basin. The bowl-shaped basin, where an ancient civilization flourished until the 1300s, once held water. Now, it is a semi-desert region where very little grows ...
