Simplify the following text for a Grade 9 native English-speaking person.
Original: Tawi river catchment is delinated by latitude 320 35 ' -330 5 ' N and longitude 740 35 ' - 750 45 ' E. The catchment area of the river up to Indo-Pak cease-fire border ( Jammu ) is 2168 kmÂ , and falls within the districts of Jammu , Udhampur and a small part of Doda .
Simplified: Tawi river catchment is delinated by latitude 320 35 ' -330 5 ' N and longitude 740 35 ' - 750 45 ' E. The catchment area of the river up to Indian border ( Jammu ) is 2168 kmÂ , and falls within the districts of Jammu , Udhampur and a small part of Doda .