Complex sentence: In 1776, the Loughborough Canal opened up the River Soar from the Trent, and in 1777 the Erewash Canal opened and provided a ready supply from the Nottinghamshire coalfields.
Split into simpler sentences: In 1776, the Loughborough Canal opened up the River Soar from the Trent. In 1777 the Erewash Canal opened and provided a ready supply from the Nottinghamshire coalfields.