Dictionary of Greek and Roman Geography/Caspingium
CASPI′NGIUM, is placed by the Table on a road from Lugdunum Batavorum (Leyden) to Noviomagus (Nymegen). It is 45 Roman miles from Noviomagus. Walckenaer fixes it at Gorkum and Spyck: other geographers fix it at Aspern.
[ G. L. ]