Chart correction 47/20 — chart 22281

22281 10Ed. 4/1/06 LAST NM 36/20 47/20 Add Depth 4.4 meters 30°14′51″S 71°30′15″W and extend depth contour (5-meter) and blue tint N to enclose (4(21)18 Valparaiso)

Source: NGA U.S. Notice to Mariners · edition: 10Ed. 4/1/06

Reference information — always verify against official Notices to Mariners before navigation.