Collection, 1880-1968; 2007-2019, of the Lawton family of Michigan. Includes field notebooks of Charles DeWitt Lawton, written during his tenure as the State of Michigan Commissioner of Mineral Statistics, as well as correspondence of Charles Latham Lawton and Swaby Lawton. Also contains biographical information on family members including Charles Latham Lawton, Swaby Lawton, Nathan Oliver Lawton, Charles E. Wright and Ross Dunbar Blackburn.