Thomas C. Fletcher House is a historic home located at Hillsboro, Jefferson County, Missouri. It was built about 1850, and is a two-story, log dwelling with later frame additions. It sits on a limestone and concrete block foundation. It was the home of Thomas C. Fletcher, Missouri's first Republican governor and the first native-born Missourian elected governor. Using only the above description and what you know about the world, "The Thomas C. Fletcher House was built about 1850." is definitely correct, incorrect, or inconclusive? 