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Hydrographic Survey H-599 of Deep Sea Soundings & Temperatures in the Gulf ofMexico. Note: Soundings 67, 106, 337, 512, 320, 513 and 374 North of Havana are omitted from latest published charts because of the discrepancy with soundingsfrom other sources, written by H,B. May 20, 1914. (Image credit: NARA C&GS; Colllection)