Copies of the indexes in (Certificates and Petitions, Index) in series S25, made for use in the Search Room. The volumes, one for each county, provide certificate numbers for patented certificates of survey found in series S1188-S1210 and unpatented certificates of survey found in series S1211-S1233. The records also reference (Petitions) in series S26. Entries give tract name, name of person for whom land was surveyed or who was filing the petition, and number of the certificate or petition. Arranged by county and then by tract names for certificates and individuals for petitions.