Citations
B.S.I.P. 1:50,000 SANTA ISABEL (D.O.S. 456) ; progress folder : authority for mapping, general material, diagrams, air photography, reports, proposed sheet layout., 1965-01-01 - 1972-12-31, GBR/3296/Maps/CCSA.DOS_261_4, DOS_261_4. Cambridge University Library. |
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B.S.I.P. 1:50,000 SANTA ISABEL (D.O.S. 456) ; progress folder : authority for mapping, general material, diagrams, air photography, reports, proposed sheet layout., 1965-01-01 - 1972-12-31, GBR/3296/Maps/CCSA.DOS_261_4, DOS_261_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/237778 Accessed November 11, 2024. |