Original:  The Mississippi Colonization Society (of which he was a co-founder) commissioned a monument to him for US $25,000 two years later. They had it installed at his gravesite in 1838.Walt Grayson, Mississippi Seen: "Grand monument honors man’s benevolent legacy", Today in Mississippi, 17 October 2014, published by Electric Power Associations of Mississippi, accessed 2 December 2015 Ross' grandson Isaac Ross Wade, contested the will, but it was upheld by the Mississippi Supreme Court in 1845. There were additional legal delays, but during this period, the enslaved people stayed on the plantation and worked for Wade. They were technically considered free, under the terms of the will, and were supposed to receive pay. On an April night in 1845, a fire in the mansion burned it down, killing a six-year-old white girl. A Wade descendant attributed it to a slave uprising; and 12 suspects among the enslaved people were quickly captured and lynched.MYSTERY MONDAY: "12 Lynchings and a MS-African Colony Connection at 'Prospect Hill' ", WJTV, April 22, 2014. In the settlement of the court case, the enslaved people gained their freedom and the plantation was sold to fund their migration to the colony in West Africa, which the final group reached in 1848. They never received any of the pay owed for their three years of working for Wade.Dale Edwyna Smith, The Slaves of Liberty: Freedom in Amite County, Mississippi, 1820-1868, Routledge, 2013, pp. 15-21 The area near Monrovia where freed enslaved people from Mississippi were settled became known as Mississippi-in-Africa. It later became part of the country of Liberia. Wade ultimately reacquired the plantation property and had a new great house built in 1854. He and his descendants lived there, with family ownership extending into the 20th century. 20th century to present The last Ross/Wade descendants left in 1956, by which time the outbuildings had collapsed: the kitchen, slave quarters, smokehouse and barns.Mary Carol Miller, Lost Mansions of Mississippi, Jackson, Mississippi: University Press of Mississippi, 2010, Volume II, pp. 53-56 The mansion at Prospect Hill Plantation is still standing, although it has deteriorated in its decades of vacancy. The roof was damaged by Hurricane Katrina in 2005. In 2011, it was purchased by the Archeological Conservancy, a non-profit organization, to preserve it and the property. It has received $ 50,000 from the Mississippi Department of Archives and History as well as private donations for preservation purposes.
Revised:  The Mississippi Colonization Society (of which he was a co-founder) commissioned a monument to him for US $25,000 two years later. They had it installed at his gravesite in 1838.Walt Grayson, Mississippi Seen: "Grand monument honors man’s benevolent legacy", Today in Mississippi, 17 October 2014, published by Electric Power Associations of Mississippi, accessed 2 December 2015 Ross' grandson Isaac Ross Wade, contested the will, but it was upheld by the Mississippi Supreme Court in 1845. There were additional legal delays, but during this period, the enslaved people stayed on the plantation and worked for Wade. They were technically considered free, under the terms of the will, and were supposed to receive pay. On an April night in 1845, a fire in the mansion burned it down, killing a six-year-old white girl. A Wade descendant attributed it to a slave uprising; and 12 suspects among the enslaved people were quickly captured and lynched.MYSTERY MONDAY: "12 Lynchings and a MS-African Colony Connection at 'Prospect Hill' ", WJTV, April 22, 2014. In the settlement of the court case, the enslaved people gained their freedom and the plantation was sold to fund their migration to the colony in West Africa, which the final group reached in 1848. They never received any of the pay owed for their three years of working for Wade.Dale Edwyna Smith, The Slaves of Liberty: Freedom in Amite County, Mississippi, 1820-1868, Routledge, 2013, pp. 15-21 The area near Monrovia where freed enslaved people from Mississippi were settled became known as Mississippi-in-Africa. It later became part of the country of Liberia. Wade ultimately reacquired the plantation property and had a new great house built in 1854. He and his descendants lived there, with family ownership extending into the 20th century. 20th century to present The last Ross and Wade family descendants left in 1956, by which time the outbuildings had collapsed: the kitchen, slave quarters, smokehouse and barns.Mary Carol Miller, Lost Mansions of Mississippi, Jackson, Mississippi: University Press of Mississippi, 2010, Volume II, pp. 53-56 The mansion at Prospect Hill Plantation is still standing, although it has deteriorated in its decades of vacancy. The roof was damaged by Hurricane Katrina in 2005. In 2011, it was purchased by the Archeological Conservancy, a non-profit organization, to preserve it and the property. It has received $ 50,000 from the Mississippi Department of Archives and History as well as private donations for preservation purposes.
Edit intent: fluency