NGA Chart 970: Plotting Chart 970 electronic chart navigation Introduction to Able Seaman and

Introduction to Able Seaman and Lifeboatman Certification

Black Rock Harbor

Scale: 1:456

and the Strait of Juan de Fuca

NGA Chart 970: Plotting Chart 970 electronic chart navigation Introduction to Able Seaman andScale: N A Captain's Supplies is a Print on Demand nautical chart dealer for NGA Charts. Charts are printed on high quality heavy paper with waterproof ink. Other options available. NGA charts are printed using the most recent data provided by the National Geospatial Intelligence Agency (NGA). Much of this data may no longer be current. Boaters are advised to consult the "Corrected through NM ## ##" note in the margin of the chart for additional