The Lathrop-Munn Cobblestone House is a 1.5-story Greek Revival-styled house built about 1848 in Beloit, Wisconsin, striking for the care with which the mason arranged the tiny cobbles. In 1977 the building was placed on the National Register of Historic Places. John Hackett was one of the first permanent settlers in Beloit - the first storekeeper and postmaster. He developed Hackett's Addition, the neighborhood in which the house stands, and he owned the lot on which the house was built. It's unclear if the house was there when Hackett sold the lot to Frederick A Lathrop in 1848.