When Mexican General Adrian Woll attacked San Antonio on September 11, 1842, Nicholas Mosby Dawson and the men who joined him responded so quickly to the alarm that no muster roll was taken. The Dawson Massacre occurred near Salado Creek within present San Antonio, and only eighteen men survived. A corrected list identifies thirty-six men known to have been killed and later entombed there on September 18, 1848: Adams, Jerome B. Alexander, James Alley, Robert Barkley, John Beard, David Berry, Francis E. Brookfield, Thomas J. Butler, T. John Church, Robert Cummins, John Dancer, Nicholas Mosby Dawson, Lewis W. Dickerson, Robert Eastland, Lowe(?) Farris, Charles S. Field, Elijah Garey, Joe Griffin, Harvey W. Hall, George A. Hill, Asa Jones, John F. Jones, Patrick Lewis, William Linn, Winfield S. Lowe, Richard McGee, John Wesley Pendleton, Thomas Rice, William Savage, Elam Scallorn, John Wesley Scallorn, Thomas Simms, Richard Slack, Edward Trimble, Norman Miles Wells, and Zadock Woods. No evidence has been located to verify that Zed Barkley, listed on the tomb, joined the Dawson Company.