Chart correction 1581 — chart 4789

Chart 4789 (Panel, Port de Trois-Rivières) [ previous update 34/23 ] NAD83 DATUM Insert îTR1, centred on: 46° 19´ 59·0"N., 72° 32´ 21·0"W. îTR2, centred on: 46° 20´ 14·0"N., 72° 32´ 15·0"W. îTR3, centred on: 46° 20´ 15·0"N., 72° 31´ 54·0"W. îTR4, centred on: 46° 20´ 30·0"N., 72° 31´ 52·0"W. îTR5, centred on: 46° 20´ 35·0"N., 72° 31´ 30·0"W. Wk18/23 2.30 II

Source: UKHO Admiralty Notices to Mariners

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