Simplify the following text for a Grade 6 native English-speaking person.
Original: The story goes that the dam was built in the 1860s by Dutch brothers , Herman and John Tiedeman , to provide water for the sluicing of their Victoria Hill gold claims .
Simplified: Chinamanâ s Dam was built in the 1860s by Dutch brothers , Herman and John Tiedeman . They used the water for the sluicing of their Victoria Hill gold claims .