Publisher

Office of the Trigonometrical Branch, Survey of India 52
G.T. survey office 32
G.T. S. office 14
Dehradun Photozincographed at the G.T.S.Office 1873 9
Dehradun Photozincographed at the G.T.S.Office 1879 9
Office of the Great Trigonometrical survey of India 9
Dehradun G.T.S. Office 1875 6
Dehradun Photozincographed at the G.T.S.Office 1877 6
Dehradun G.T.S Office 1877 4
Dehradun G.T.S. Office 1869 4
Dehradun Office of the Trignometrical branch. Surevy Of India 1885 4
Dehradun Office of the Trigonometrical Branch : Survey of India 1882 4
Dehradun Office of the Trigonometrical Branch. Survey Of India 1883 4