[Map of United States indicating trade winds and major rail lines] Side: 1 of 1
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[Map of United States indicating trade winds and major rail lines], map, Date Unknown; (https://texashistory.unt.edu/ark:/67531/metapth15127/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting The University of Texas – Rio Grande Valley.