<Tr> <Td> Riverside, California </Td> <Td> 0.86% </Td> </Tr> <Tr> <Td> Vernon, California </Td> <Td> 0.62% </Td> </Tr> <Tr> <Td> Burbank, California </Td> <Td> 0.59% </Td> </Tr> <Tr> <Td> Azusa, California </Td> <Td> 0.11% </Td> </Tr>

How long did it take hoover dam to cure