Level	wd_id	name	osm_id	type	mouth	lat	lon	continent	country	admin
1	715269	World Ocean		ocean	83169					
.2	1239	Indian Ocean		ocean	715269	80,0	-20,0			
..3	34675	Persian Gulf		sea	1239	52,0	26,0		878 842 846 817 851 398 794 796	
...4	166966	Shatt al-Arab		river	34675	47,4421	31,0043		796 	
....5	35591	Tigris		river	166966	39,772777777	38,433333333		858 43 796 	
.....6	16854456	Zab		river	35591				41470