<Tr> <Td> Scotch Brook </Td> <Td> 62 </Td> <Td> Stone </Td> <Td> Left </Td> </Tr> <Tr> <Td> Sewer Drain </Td> <Td> 19 </Td> <Td> Torksey </Td> <Td> Right </Td> </Tr> <Tr> <Td> Sewer Dyke (North Clifton) </Td> <Td> 21 </Td> <Td> North Clifton </Td> <Td> Right </Td> </Tr> <Tr> <Td> Seymour Drain </Td> <Td> 17 </Td> <Td> Cottam </Td> <Td> Left </Td> </Tr>

What is the depth of the river trent