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MLA
Great Britain. War Office. General Staff. Geographical Section. (Cartographer). French West Africa 1:200,000. Series 4149. [Yang-Yang, Sheet D.28-XXI.] - University of Texas Libraries Collections. 1940. https://collections.lib.utexas.edu/catalog/utlmaps:e2395a7a-87d4-4bf2-b250-6bb9c3df8ae4APA
Great Britain. War Office. General Staff. Geographical Section. (Cartographer). (1940). French West Africa 1:200,000. Series 4149. [Yang-Yang, Sheet D.28-XXI.]. Retrieved August 11, 2025, from https://collections.lib.utexas.edu/catalog/utlmaps:e2395a7a-87d4-4bf2-b250-6bb9c3df8ae4Chicago
Great Britain. War Office. General Staff. Geographical Section. (Cartographer). French West Africa 1:200,000. Series 4149. [Yang-Yang, Sheet D.28-XXI.]. 1940. "French West Africa 1:200,000. Series 4149. [Yang-Yang, Sheet D.28-XXI.] – Collections". University of Texas Libraries Collections. <https://collections.lib.utexas.edu/catalog/utlmaps:e2395a7a-87d4-4bf2-b250-6bb9c3df8ae4> (11-August-2025).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.