Catherine Bourne
| Catherine Bourne | ||
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| Data | ||
| location | Hertfordshire , England | |
| River system | Thames | |
| Drain over | Tykes Water → River Colne → Thames → North Sea | |
| source | southwest of Shenley 51 ° 41 ′ 13 " N , 0 ° 17 ′ 16" W. |
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| muzzle | in the Tykes Water coordinates: 51 ° 41 ′ 36 " N , 0 ° 19 ′ 32" W 51 ° 41 ′ 36 " N , 0 ° 19 ′ 32" W.
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| Small towns | Radlett | |
The Catherine Bourne is a watercourse in Hertfordshire , England . It arises southwest of Shenley and flows in a westerly direction to its confluence with the Tykes Water in the north of Radlett .