Complex sentence: Intitially, two patrols were made daily, to the Clearwater, Bow and Crowsnest Forest Reserves, one patrol flew north as far as the Clearwater River, and one south to the International Boundary.
Split into simpler sentences: Intitially, two patrols were made daily, to the Clearwater, Bow and Crowsnest Forest Reserves. One patrol flew north as far as the Clearwater River, and one south to the International Boundary.