These are the General Reports on Operations of the Survey of India. Click to download.
1869 Selections from Reports of Trigonometrical Topographical and Revenue Surveys for 1867-68 s Size: 16M
1886 General Report on Operations of Survey of India Department during 1884-85 by DePree s Size: 23M
1934 Survey of India General Report 1933 s Size: 3.6M
1935 Survey of India General Report 1934 s Size: 8.1M
1939 Survey of India General Report 1938 s Size: 6.0M
1940 Survey of India General Report 1940 s Size: 2.9M
1941 Survey of India General Report 1941 s Size: 2.7M
1967 Survey of India General Report 1962 s Size: 8.0M
1968 Survey of India General Report 1963 s Size: 6.9M