Survey of India. Alternate title: Four inch Allahabad guide map; third edition. Relief shown by spot heights. Surveyed 1918-19, 1923-24. Published under the authority of Colonel Commandant E. A. Tandy, R.E., Surveyor General of India. In lower left margin: "Reg. No. 2039 D'25 (D. O. 3.-6.") 500 - 600'36 - X'46. 1st Edition 1922; 2nd (revised) 1925; 3rd 1936.".