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Archaeologia Cantiana - Vol. 87   1972 page 127

Rochester East Gate, 1969. By A. C. Harrison, B.A., F.S.A.

except for the lowest 5 ft. of the ditch itself, and to investigate the possibility that the end of the ditch marked the position of an entrance through the Phase I defences a small excavation, Trench 10, was made inside the wall (Fig. 5). The Phase I rampart, however, was found to continue unbroken, as did the Phase II wall, though here reduced to its foundation courses. (The implications of this are discussed below.) Sealed beneath the rampart was a layer of burnt material with a considerable quantity of iron slag and late second-century pottery.
  The City Wall
. From the East Gate to the drum-tower at the north-east angle the wall of the city is well preserved. All that is now visible is of one period of building, and it is thought to be of fourteenth-century date, but it clearly follows the line of the Roman wall now revealed to the south of the High Street. A curve in the wall near to the corner indicates that its Roman predecessor ended in a rounded corner similar to the south-eastern corner visible in Eagle Court. Below ground, it has been the subject of a number of small excavations (Fig. 6 A, B, C, D, E, F) between 1960 and 1971, all of which have presented the same general picture. Trench F (Fig. 7) which was dug in 196010 is worth illustrating as typifying the others, though in the trenches nearest to the East Gate all stratification had been destroyed. Clean brick-earth was reached at a depth of 10 ft., overlaid by a patch of cobbling, the western margin of which ran roughly parallel with the wall and about 12 in. from it. Pottery from the make up of this cobbling is Roman, dating from the latter part of the second century, and it was covered by a layer of sterile green clay, containing small pieces of carbonised twigs. Through this clay had been dug the foundation-trench of the earliest wall, 2 ft. 4 in. in depth and filled with layers of rammed flints set in a blue-green clay, similar to that used to revet the Phase I rampart. A spread of mortar droppings and small pieces of ragstone ran up to the foot of the wall, overlaying the clay. The wall was faced with blocks of roughly squared ragstone set in a hard brown mortar. The lowest course was offset by 6 in. to form a plinth 8in in deep and three courses remained above this (22 in. in  all). The whole structure was tilted outwards indicating that the wall had collapsed at this point. A layer of dark earth containing pottery of thirteenth- or early fourteenth-century date lay against this earliest wall and, presumably, marked the ground level from which rebuilding took place, though no mortar-scatter had survived, presumably because, when the ditch was filled in in the seventeenth century, its edge was dug away. (This suggestion is strengthened by the fact that the mortar of the wall showed weathering for 4 ft. below the present ground level, indicating that the lip of the medieval ditch reached this point.) Above this layer
   10 Trenches A and C were dug in collaboration with Mr. C. R. Flight, B.A., of. Arch. Cant, lxxvi (1961), lxxiii.

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