Bought for a $1, the house represents a victory for historic preservation that started in 2001 and ends with the restored building a landmark on the National Register of Historic Places.

The project used historic preservation tax credits and the mill now houses Erin French's Lost Kitchen restaurant, her wine store and The Mill School. It also has working hydropower.

The price is about double the $2.5 million that Cook paid for the mill seven years ago, according to the Portland Press Herald. The 250,000-square-foot mill houses some 70 businesses, although the ...