Survey of India. Alternate titles: "City of Calcutta; shewing the principle public offices & buildings. Reduced from M. Simm's large map of the Survey of 1847 to 49"; and "Drainage of Calcutta, 1857. General plan shewing main sewers, conduits and position of pumping establishment for water supply, as proposed by Messers. Rendel, in their report dated Nov. 12th, 1858." Reproduced from the hand drawn original of 1858. "Reg. No. 566.102 D'89 (14 D.O.)-7500-89. Printed at the 102 (P.L.O.) Printing Group of Survey of India." Map is a facsimile.