Magnetic variation marked. Coordinates given and refer to area covered by all four parts. All torn around the edges.

Chart (C) Central America. Insets: [from left to right]: River Coatzacoalcos [scale: circa 1:75,000 (bar)]; Arenas Key [scale: circa 1:42,000 (bar)]; Anchorage off Sisal [scale: circa 1:28,000 (bar)]; Madagascar Reef [scale: circa 1:37,000 (bar)]; Arcas Keys [scale: circa 1:27,000 (bar)]; Obispo Shoals [scale: circa 1:55,000 (bar)]; Eastern Triangle [scale: circa 1:43,000 (bar)]; Alacron Reef [scale: circa 1:20,000 (bar)]; Vera Cruz and roadstead of Anton Lizardo [scale: circa 1:15,000 (bar)]; Laguna de Terminos [scale: circa 1:150,000 (bar)]; Colon Bay [scale: circa 1:75,000 (bar)]; Sisal Reef [scale: circa 1:38,000 (bar)].