Citations
NIGERIA 1:50,000 First Block (D.C.S. 30) ; progress folder : authority for mapping, diagrams, list of general material, assessment of 'dove' photography, list of control points., 1954-01-01 - 1954-12-31, GBR/3296/Maps/CCSA.DOS_297_4, DOS_297_4. Cambridge University Library. |
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NIGERIA 1:50,000 First Block (D.C.S. 30) ; progress folder : authority for mapping, diagrams, list of general material, assessment of 'dove' photography, list of control points., 1954-01-01 - 1954-12-31, GBR/3296/Maps/CCSA.DOS_297_4, DOS_297_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238357 Accessed September 22, 2024. |