Chart correction 1910 — chart 1317

Chart 1317 [ previous update 4232/22 ] CGCS 2000 DATUM Insert symbol, Virtual aid to navigation, south cardinal topmark, V- AIS 37° 40´·50N., 121° 33´·40E. 37° 40´·78N., 121° 39´·97E. symbol, Virtual aid to navigation, north cardinal topmark, V- AIS 37° 38´·50N., 121° 33´·60E. 37° 38´·81N., 121° 40´·17E. Wk23/23 2.28 II

Source: UKHO Admiralty Notices to Mariners

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