Survey of India. "Refer to this map as: 1:20,000 Hyderabad guide map, first edition. Relief show by 10 meter contour interval (contours are approximate) and spot heights. Inset map: Index to taluks, municipal corporations, and municipal wards (1:125,000). "Surveyed 1965-66." "Reg. no. 2399 HD'70 (D.O. 8-1:20,000)-6509' 73." Verso: Bus routes (1:40,000) with "Routes supplied by Andhra Pradesh State Road Transport Corporation undertaking are up to date to June 1971".