Survey, easement, and subdivision plats recorded in land record books. The Land Office filmed the plats in 1954, now found in series CM1417 and CM1418. Those documents and later ones are available also on film in (Land Records) in series CM69 and CM345. Other plats from land records were filed in (Plats) in series C1741. The Archives has created an electronic finding aid from (Plats, Index) in series C2353 and C2354, (Plats on Microfilm, AL) in series S1531, and (Plat References, AL, Index) in series S1550.