Plats filed in equity proceedings, some of which were placed in the case files with others being recorded in equity record books. The series consists of plats removed from the case files because of their size or physical condition and placed in oversize storage and of plats recorded in equity records that were filmed by the Land Office in the early 1950s. Also available on microfilm in series CM107 where the records removed from the files are arranged by MdHR number that for 4877 include materials from (Plats) in series C130, and the pages from equity record books, that were filmed by the Land Office in 1952, are arranged by book and page numbers. Access available in electronic form derived from accession databases and (Plats on Microfilm, AA) in series S1532, supplemented by the records themselves. Some plats, specifically those accessioned within MdHR 4877, are included in (Plat References, AA, Index) in series S1551. These references will not be used because they are outdated and have been superseded by the database for C72.