Complex sentence: In 1785 William Chapple published the first part of his "Review of Risdon's Survey of Devon" containing the general description of the county, but died before he could complete the work.
Split into simpler sentences: In 1785 William Chapple published the first part of his "Review of Risdon's Survey of Devon". It contained the general description of the county, but Chapple died before he could complete the work.