By May 1869 , he had purchased an additional 40 acres ( 16 ha ) of farmland for $400 .
The following year his wife inherited 186 acres ( 75 ha ) of farmland from the estate of her father .
By May 1869 , he had purchased an additional 40 acres ( 16 ha ) of farmland for $400 , and the following year his wife inherited 186 acres ( 75 ha ) of farmland from the estate of her father .