Citations
B.A.S. 1:200,000 1st Part (D.O.S. 601) ; progress folder : authority for mapping, list of general material, letters, notes, compilation material, diagrams, projection computations., 1952-01-01 - 1957-12-31, GBR/3296/Maps/CCSA.DOS_259_5, DOS_259_5. Cambridge University Library. |
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B.A.S. 1:200,000 1st Part (D.O.S. 601) ; progress folder : authority for mapping, list of general material, letters, notes, compilation material, diagrams, projection computations., 1952-01-01 - 1957-12-31, GBR/3296/Maps/CCSA.DOS_259_5, DOS_259_5. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/237749 Accessed November 11, 2024. |