Charts. Mexico, West coast of, and Gulf of California, original surveys by U. S. S. Narragansett 1873-75, U. S. S. Ranger 1890-92, and U. S. S. Thetis 1894-97, sheet 3, from Cape San Lucas and Mazatlan to lat. 26° n.; chart 621. Scale 1° lat.=6.5 in.