NOAA Print-On-Demand chart Strait of Juan de Fuca to Strait of Georgia; Drayton Harbor 51st Edition Model: 18421 Detailed coverage of Strait of Juan de Fuca to Strait of Georgia; Drayton Harbor 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: 1:80,000, Size (inches): 34.89 X 47.3