Complex sentence: As the crew began blasting, Haida would rush into the blast site to gather gold, competing with the crew, with the natives, according to the ship's log book, grabbing crewmen by the legs to prevent them from reaching the gold.
Split into simpler sentences: As the crew began blasting, Haida would rush into the blast site to gather gold, competing with the crew. The Haida, according to the ship's log book, grabbed crewmen by the legs to prevent them from reaching the gold.