These are the Survey of India Report Maps. Click to download.
1862 Index to Indian Atlas Size: 976K
1862 Skeleton Index to Districts and Divisions of India exhibiting the Trigonometrical Operataions Size: 3.0M
1867 Upper Basins of Indus and Sutlej Rivers from surveys by Pandit Explorers by Montgomerie Size: 756K
1870 Index Chart to GTS India Size: 3.5M
1872 Route from Punjab to Badakshan through Swat Bajaur Barawul Dir and Kafiristan by Havildar Size: 1.0M
1875 Index Chart to GTS India Size: 3.5M
1876 Explorations in connection with GTS by Mullah ___ (Trans-Himalayan Exploration Map 11) Size: 3.2M
1878 South Maluncha Meridional Series Size: 1.2M
1878 South Parasnath Meridional Series Size: 1.4M
1879 Pendulum Operations of GTS of India Size: 4.0M
1880 North Maluncha Meridional Series Size: 1.7M
1882 Explorations of M__S__ around Badakshan 1878 to 1881 Trans-Himalayan Exploration Map No 14 Size: 1.4M
1882 Index Chart GTS India in color Size: 6.3M
1882 Index Chart to GTS of India Size: 6.1M
1883 GTS Series U of NE Quadrilateral Size: 2.8M
1883 GTS Series W of NE Quadrilateral Size: 4.6M
1884 Plan of Lhasa Size: 2.2M
1886 Index to Trans-Frontier of India Sheets Size: 800K
1887 Colonel Tanner’s Memorandum on Course of the Sangpo from information by K.P. in 1886-87 Size: 2.3M
1887 Index Chart to GTS of India Size: 5.7M
1889 Index Map to GTS of India Size: 5.3M
1892 Index Chart to GTS of India Size: 3.8M
1894 India–Progress of the Imperial Surveys Size: 3.1M
1898 Index Chart to GTS of India Size: 4.1M
1901 Index Chart to GTS of India Size: 4.3M
1907 Index Chart to GTS of India Size: 3.8M
1910 Index Chart to GTS of India Size: 4.2M
1912 Index Chart of GTS of India Size: 5.4M
1915 Iron Chain Bridge at Chak-Samtuka Size: 336K
1916 Plan of Lhasa City Size: 2.4M
1916 Route of Explorer Hari Ram Size: 2.3M
1920 Survey and Publication Map Size: 3.6M
1922 Index to SOI One-inch Map Series Size: 4.5M
1922 Index to Survey of India maps Size: 4.7M
1922 Index to the GTS of India Size: 6.1M
1922 Publication of the One-Inch Series Size: 3.2M
1922 Survey and Publication Size: 3.1M
1947 Survey of India Projects in Hand Size: 1.0M