Complex sentence: Much of the wreck has been covered by silt from the nearby Baram River over the years; however, the bow, the main superstructure and the engine room skylights all stick up several metres above the silt.
Split into simpler sentences: Much of the wreck is covered by silt from the nearby Baram river over the intervening years. However the Bow, the main superstructure and the engine room skylights all stick up several metres above the silt.