NGA Chart 29142: Alexander Island to Square Bay including Marguerite Bay Snake River The Compute-A-Course is a compact

The Compute-A-Course is a compact

and a thousand years ago—and what it was that led the Viking navigators to develop this unique tool for finding the direction to the sun

Made to Official State of Delaware Design Specifications

Paper Size: 22" x 36"

NGA Chart 29142: Alexander Island to Square Bay including Marguerite Bay Snake River The Compute-A-Course is a compactScale: 1: 200,000 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