1873. Survey of India. Cartographic Details: Scale 1:2,027,520 ; Conic projection. Shows: international and administrative boundaries, railways, roads (2 categories), can... Survey of India; Dehra Dun.
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1892. Survey of India. Cartographic Details: Scale 1:1,520,640 ; Conic projection Relief shown as hachures and heights in feet. Shows: international boundaries, railways,... Survey of India; Dehra Dun.