Citations
TRINIDAD SOUTHERN BLOCK 1:25,000 : authority for mapping, air photography, area mapping, extracts, general material, diagrams, letters, sheet layout. , 1968-01-01 - 1976-12-31, GBR/3296/Maps/CCSA.DOS_316_17, DOS_316_17. Cambridge University Library. |
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TRINIDAD SOUTHERN BLOCK 1:25,000 : authority for mapping, air photography, area mapping, extracts, general material, diagrams, letters, sheet layout. , 1968-01-01 - 1976-12-31, GBR/3296/Maps/CCSA.DOS_316_17, DOS_316_17. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238668 Accessed November 13, 2024. |