This map is Sheet 78-O-16 (4th Edition) of the topographic map series Bangladesh 1:50,000 topographic maps, issued by Sārve aba Bāṃlādeśa, the Survey of Bangladesh. This digital version has been scanned, cropped to the map area, georeferenced, and published by Land Info. Contour intervals are shown at intervals of 50 feet. The original print sheet was published by the Survey of Bangladesh in 1997.
Creator:
Land Info (Firm), Sārve aba Bāṃlādeśa, and Survey of Bangladesh
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