NOAA Chart 18440: Puget Sound Detailed coverage of Puget Sound OceanGrafix provides mariners with the most up-to-date, NOAA-approved nautical charts ever offered Charts are printed only after an order has been received, ensuring the most up-to-date information Meets U. S. and international carriage requirements for commercial vessels, all notice to mariners corrections are applied. U. S. Coast Guard approved, Scale: 1:150,000, Size (inches): 29.51 X 42.34