σιδηρεῖα
From LSJ
Θεοὶ μὲν γὰρ μελλόντων, ἄνθρωποι δὲ γιγνομένων, σοφοὶ δὲ προσιόντων αἰσθάνονται → Because gods perceive future things, men what is happening now, but wise men perceive approaching things
English (LSJ)
τά,
A ironmines, Arist.Pol.1259a25, Thphr.HP5.9.2, Lap.52, Str. 1.2.39: sg. -εῖον, τό, IG11(2).161 A 19 (Delos, iii B.C.).