"on-going investigation" — Collocation dictionary inglés

Automatic translation (We do not guarantee its correctness): na-wejść/wchodzić na śledztwo
  1. on-going adjetivo + investigation sustantivo
    Very loose collocation

    It is significant that in this on-going investigation (from 1739 to 1751), the central government of the colony took no action against the mineowners.