A Map unit was sent up in the year 1970 to acquire and conserve maps and
cartographical material of historical importance. The cell has acquired several hundred
historical and geographical maps, plans and topographical maps, etc., of the cities and
towns in the Erstwhile Hyderabad State and Madras Presidency which are arranged
geographically on Map-Stands provided for the purpose. A catalogue of the Map collection
and cartographic records of the State Archives is under preparation. This will be a
valuable reference aid. The advice of the Survey if India is being sought on all aspects
of the working of the Map unit.