Complex sentence: In the early 19th century it was called Saddleback Mountain because of its appearance when viewed from the south; by the mid-eighteen hundreds the controversy between Greylock and Saddleback was resolved leaving Saddle Ball Mountain as the remnant of Greylock's earlier name.
Split into simpler sentences: In the early 19th century Greylock was called Saddleback Mountain because of its appearance when viewed from the south. McClelland Press, page 27 By the mid-eighteen hundreds, the name controversy between Greylock versus Saddleback was resolved, leaving Saddle Ball Mountain as a remnant of Greylock's earlier name.