Complex sentence: For a time the combined paper was officially known as the "Washington Post and Times-Herald"; the "Times-Herald" portion of the masthead became less and less prominent in ensuing years, however, and was dropped entirely by the early 1970s.
Split into simpler sentences: For a time the combined paper was officially known as the "Washington Post and Times-Herald". The "Times-Herald" portion of the masthead became less and less prominent in ensuing years, however, and was dropped entirely by the early 1970s.