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MLA
1:200,000, 1:200,000 (GSGS 4149), Sheet D28 12 (GSGS 4149), French West Africa. 1:200,000, 1:200,000 (GSGS 4149), Sheet D28 12 (GSGS 4149), French West Africa - TexasGeoDataPortal. 1:200000. https://geodata.lib.utexas.edu/catalog/utaustin_19238APA
1:200,000, 1:200,000 (GSGS 4149), Sheet D28 12 (GSGS 4149), French West Africa [map]. 1:200000. Retrieved July 31, 2025, from https://geodata.lib.utexas.edu/catalog/utaustin_19238Chicago
1:200,000, 1:200,000 (GSGS 4149), Sheet D28 12 (GSGS 4149), French West Africa [map]. 1:200000. "1:200,000, 1:200,000 (GSGS 4149), Sheet D28 12 (GSGS 4149), French West Africa – UT Geodata". University of Texas Libraries Geodata Portal. <https://geodata.lib.utexas.edu/catalog/utaustin_19238> (31-July-2025).Note that these citations have been automatically generated, please verify that citation is correct and contains all necessary information.