tributary area of slab

30:31

11:40

1:03:33

6:39

8:51

1:05:36

11:02

49:24

20:11

20:13

35:55

50:19

1:29

14:17

6:04

20:21

33:27

14:05

19:00

18:29

31:22

8:19

6:02

21:40

5:36

3:10

13:13

36:13

9:47

17:06

11:25

4:11

12:34

14:50

11:15

49:57

27:50

32:08

50:23

3:29

7:23

8:01

13:22

12:30

12:12

00:57

7:01

7:11

8:23

16:49

18:10

8:56

4:25

4:32

25:56

5:37

50:13

4:17

8:26

3:27