. . . "1820"^^ . "-91.47222137451172"^^ . . . . "Georgian"@en . . "POINT(-91.472221374512 39.767223358154)"^^ . . . "52751484"^^ . "The Robert Masterson House in about 1983"@en . . . . . . "84002591" . "The Robert Masterson House is located in Marion County, Missouri and was first built around 1830 by Robert Masterson. It was listed on the National Register of Historic Places."@en . . . . . . "Robert Masterson House"@en . . "The Robert Masterson House is located in Marion County, Missouri and was first built around 1830 by Robert Masterson. It was listed on the National Register of Historic Places."@en . . . . "2647"^^ . . "Missouri#USA"@en . "84002591"^^ . . "1090745930"^^ . . "Robert Masterson House"@en . "Northwest of Hannibal, near Hannibal, Missouri"@en . . "1984-04-05"^^ . . . . . "Robert Masterson House"@en . "less than one acre"@en . . . "39.7672233581543"^^ . "39.76722222222222 -91.47222222222223" . . . . ""@en . .