How to find your outpost on the Roman frontier

The study of Roman place-names has a long and respectable history, though littered with erroneous and strange identifications. Today we are generally agreed on the locations of the places listed in our ancient sources, though some defy identification. The military sites that we have ancient names for are largely frontiers, fortresses, and forts, but the Roman military also made use of much smaller installations, such as fortlets and towers. How were they referred to? A reconstruction of the fortlet at Pohl in Rhineland-Palatinate, Germany, a typical small military installation holding anywhere between 40 and 80 soldiers; the ramp is to enable wheelchair access. Such posts are widely found