Camulodunum also have possessed ports for the colonia. Imports of dates, wine (including Falernian wine), olive oil, jet, marble and other goods from across the Roman Empire have been found in Colchester, including a locally made amphora with an inscription suggesting that it held North African palm-tree fruit products. The trade in salt from local Red Hills also appears to have continued on from the Iron Age in the Roman period, but with more sophisticated evaporation kilns. Small numbers of tiles were imported from Eccles in Kent by Roman settlements in South-East Britain, including Camulodunum, for a brief time in the
Camulodunum as a Mithraeum but that has now been reinterpreted as a reservoir system. A large overflow drain ran from the structure down to a culvert near Duncan's Gate where the excess water exited the town into the River Colne. Timber framed wells have also been discovered, and there are at least nine springs located within the walls of Camulodunum. Private baths have been found at some sites, but as yet no public baths have been positively identified. Many houses have been found in the colonia during archaeological excavations. Stone founded buildings largely replaced timber ones in the course of the