Chapter four: The gold wagon driver is shot and he positions himself as to fall into the boot, after while the Mountie and henchman are fighting and moving around in the boot like there wasn't anybody there.
Chapter eight: Foremost Indian reaches for arrow twice before firing.
Chapter 10: The bottom of the boat that Ward in imprisoned is clearly marked where the rocks should land to sink it.
At the end of the picture after the Inspector awards Joe and Bram advancements in rank, Rita rushes up and hugs Joe. The Inspector, amused, orders the rest of the troop to right face. This would bring the troop to face Joe and Rita. The command should have been "About Face".