NGA Chart 21521: Golfo de Fonseca Weems & Plath Circular slide rule

Circular slide rule

the southern Strait of Georgia

Chart Image Size: 41¼" x 33½"

Protractor scale allows easy alignment with chart meridian in any direction

Scale: 1:720

NGA Chart 21521: Golfo de Fonseca Weems & Plath Circular slide ruleScale: 1: 80,000 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