sentences:  It was named after Frenchman Creek and Claude Francois Seltier, a French immigrant who settled in the area in 1858.Frenchman Dam was completed in 1961 as an irrigation project of the California Department of Water Resources, a rock-fill and earthen dam 129 feet high, with a length of 720 feet at its crest.Normal water storage in the reservoir is 55,477 acre-feet.