GREENWOOD CEMETERY-COLUMBIA TENNESSEE MANGRUM, Benjamin T., 10 Oct 1840 - 5 Nov 1845. MANGRUM, William W., 21 Mar 1842 - 5 Nov 1845. MANGRUM, Minerva A.P., 5 May - 18 May 1850. Age 13 Days. Photo by Wayne Austin 12/18/2003.