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 | | The Punjab region is drained by the Sutlej, Ravi, Chenab, and Jhelum rivers, which are tributaries of the Indus; these rivers supply the irrigation system that waters the Indus Plain. |
 | | The Baluchistan Highlands contain a series of mountain ranges; among these are the Toba Kakar Range, the Siahan Range, the Sulaiman Range, and the Kirthar Range. |
 | | In the mountain regions of the N and W, temperatures fall below freezing during winter; in the Indus Plain area, temperatures range between about 32° and 49° C (90° and 120° F) in summer, and the average in winter is about 13° C (55° F). |
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