Publisher
Surveyor General's
26
Marine Surveyor Department
21
Surveyor General's Office
17
Calcutta Surveyor General's Office 1871
11
Calcutta Surveyor General's Office 1870
9
Calcutta Surveyor General's Office 1868
6
Surveyor General's office
6
The Marine Survey dept
6
Calcutta Surveyor General's Office 1869
4
Calcutta Surveyor General's Office
3
Survey of India Offices
2
Calcutta Marine Survey Department 1840
1
Calcutta Marine Survey Department 1880
1
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