The Roman History · Amm. 28.2.2

At last considering that one fortress, of which he himself had laid the very foundations, though sufficiently high and safe, yet, being built on the very edge of the river Neckar, was liable to be gradually undermined by the violent beating of its waters, he formed a plan to divert the river itself into another channel; and, having sought out some workmen who were skilful in such works and collected a strong military force, he began that arduous labour.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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