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| (east of village) ... N/A ... Depicts the following; Plan; State Tracing of NB 111, pp. 90, 96, 103, 107 ... Roman, Late |
| (northeast) ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| East of city ... Williams II, C. K ... Depicts the following; Plan; State ... Roman, Late |
| Geison and sima, profile ... Shelly, J. W. and Pensche ... Depicts the following; Detail ... N/A |
| inscription ... Shelly, J. W. and Pensche ... Depicts the following; Detail ... N/A |
| Isometric of block with cutting ... Shelly, J. W. and Pensche ... Depicts the following; Detail ... N/A |
| Isometric of springer block ... Shelly, J. W. and Pensche ... Depicts the following; Detail ... N/A |
| Isthmian Gate ... Robinson, H. S ... Depicts the following; Plan; State NB 239, pp. 103-106 ... 1962 |
| Isthmian Gate, towers I, II and III ... N/A ... Depicts the following; Plan; State NB 239, pp. 103-106 ... N/A |
| Trench(es) I ... Shelly, J. W. and Pensche ... Depicts the following; Elevation; State ... N/A |
| Trench(es) I and II ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es) IV, V, VI ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es) IX ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es) key plan ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es) VII ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es) XII and XV ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Trench(es), foundation for rampart stairs ... Shelly, J. W. and Pensche ... Depicts the following; Plan; State ... N/A |
| Cornice ... Merrit, L. S ... Depicts the following; Detail; Field ... N/A |
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