Statistics for occurrence #1 of “Rhone” in book 3, chapter 35 of Polybius, Histories:
...inforcement. He then set his remaining
troops in motion unencumbered by heavy baggage, fifty thousand
infantry and nine thousand cavalry, and led them through
the Pyrenees to the passage of the river Rhone . The army
was not so much numerous, as highly efficient, and in an extraordinary state of physical training from their continuous
battles with the Iberians.
...