Complex sentence: The mill was owned by Crown Zellerbach until 1986 and its brown paper successor Gaylord Container Corporation until 2002, when Gaylord was acquired by Temple-Inland Corporation, the area's largest employer.
Split into simpler sentences: The mill was owned by Crown Zellerbach until 1986. Its brown paper successor Gaylord Container Corporation owned it until 2002, when Gaylord was acquired by Temple-Inland Corporation, the area's largest employer.