Clason, LewisPattison, Thomas (Civil Engineer)A survey map of the Eastern portion of Caledonia Township and the central portion of Alcona Township in Alcona County, Michigan, measured in 1840.JPEG20006dadfffc-7265-425e-9f1b-7e0f4543784fMI-T028N-R008EengDepartment of Natural Resources8888-003Public28N 08E - Survey Map of Caledonia and Alcona Townships, Alcona County [Michigan]MapsMichigan--AlconaT028N-R008E1840