[91]
parallel to the line of works, and about two hundred yards in front of the abatis. It became, as the depth of water increased, a material impediment in the way of an assault.
My command performed about four thousand five hundred days work in the construction of this dam. Lieutenant-Colonel Grosvenor principally superintended its construction, in obedience to orders from district headquarters.
Major Roatch, commanding battalion, Fourteenth army corps, was seriously wounded while superintending a fatigue party at the dam, and the services of this meritorious officer were thereby lost to his command during the residue of the campaign.
The following statement exhibits the number of officers and men comprising the command, on leaving Chattanooga, and the formation of battalions and brigades temporarily made, to wit:
| command. | commanding officer. | officers. | men. | aggregate. | total. |
| Fourteenth Army Corps. | Colonel J. G. Mitchell, commanding. | ||||
| First Battalion | Lieutenant-Colonel F. W. Lister | 8 | 526 | 534 | |
| Second Battalion | Lieutenant-Colonel William O'Brien | 4 | 256 | 260 | 794 |
| Twentieth Army Corps. | Colonel Benjamin Harrison, commanding. | ||||
| First Battalion | Lieutenant-Colonel McManis | 8 | 399 | 407 | |
| Second Battalion | Major Haskins | 6 | 304 | 310 | 717 |
| Lieutenant-Colonel Banning, commanding. | |||||
| Eighteenth Ohio Volunteer Infantry | Captain Henderson | 9 | 316 | 325 | |
| Third Battery, Fourteenth A. C. | Major Roatch | 8 | 311 | 319 | 644 |
| Seventeenth Army Corps. | Colonel A. G. Malloy, commanding. | ||||
| Field and Staff | 3 | 3 | |||
| Twentieth Illinois Battery | Captain C. C. Cox | 1 | 126 | 127 | |
| Thirtieth Illinois Battery | Captain J. Kemmitzer | 1 | 208 | 209 | |
| Thirteenth Iowa Infantry | Captain C. Haskins | 1 | 186 | 187 | |
| Third Battery, Twentieth A. C. | Captain Hurlbut | 6 | 290 | 296 | 822 |
| Total | 55 | 2922 | 2977 | 2977 | |
