Note 338 — THE AUXILIA DURING THE FIRST TWO CENTURIES A.D. (continued 2)
Reading edition
The German Limes-Commission has not yet published its report on these works and the course of the frontier line in general. On the Walldürn-Welzheim section, which was built by Pius, the towers are at intervals of from 250 to 400 metres. Pelham, op. cit., p. 204.