Volume of modern sediment according to 1939 survey, North Tippah valley and tributaries.
| Area (acres) | Sediment Volume (acre-feet) | |||
|---|---|---|---|---|
| Above Range NT-1 | 355 | 492 | ||
| Linebarger Branch | 162 | 224 | ||
| Range NT-1 to NT-2 | 305 | 537 | ||
| Stave Mill Branch | 76 | 89 | ||
| Bowling Branch | 123 | 122 | ||
| Range NT-2 to NT-3 | 684 | 876 | ||
| Medlock Branch | 460 | 393 | ||
| Ishitubba | 218 | 161 | ||
| Range NT-3 to NT-4 | 820 | 727 | ||
| May Creek | 335 | 198 | ||
| Embry Creek | 44 | 20 | ||
| Below Range NT-4 | 150 | 102 | ||
| Subtotal: Main Valley | 2314 | 2734 | ||
| Subtotal: Tributaries | 1418 | 1207 | ||
| Total: | 3732 acres | 3941 acre-feet | ||