Complex sentence: Saunders, p.187 The 224th set up their Main Dressing Station near to the 3rd Parachute Brigade headquarters and between the 6--29 June they treated 800 wounded and carried out 112 surgical operations.
Split into simpler sentences: Saunders, p.187 The 224th set up their Main Dressing Station near to the 3rd Parachute Brigade headquarters. Between the 6 and 29 June they treated 800 wounded and carried out 112 surgical operations.