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The Canadian Hydrographic Service (CHS) Chart 7790 is an official, government-authorized nautical chart masterfully engineered for high-latitude vessels, Arctic shipping transits, resource development fleets, and professional northern maritime pilots. This crucial polar marine chart delivers high-precision hydrographic mapping of Melville Sound (not to be confused with Visount Melville Sound further north) located within the Kitikmeot Region of Nunavut, Canada. It maps the tricky waters running along the rugged mainland inlets and complex archipelagos of the dynamic coastal Arctic environment.
Comprehensive Melville Sound Coverage: Features complete tracking of core channels, complex bays, and island chains, including highly specialized, large-scale navigational insets for Roberts Bay and Parry Bay.
Official Polar Bathymetry: Provides detailed localized depth soundings, undersea hazard listings, shoreline topography, and crucial warnings indicating shallow coastal flats, isolated rocks, and jagged reefs.
Essential Aids to Navigation: Explicitly layouts official Canadian Coast Guard buoys, shoreline range targets, steering daybeacons, and multiple high-latitude compass roses precisely calibrated to track extreme northern magnetic variation.
High-Contrast Multi-Light Legibility: Printed with premium marine-grade inks formulated to maintain absolute clarity and sharp contrast under intense subarctic sunlight glare or the low-light conditions of an Arctic wheelhouse.
Official Safety & Carriage Compliance: Fully satisfies mandatory vessel carriage requirements and Canada Shipping Act regulations for macro-scale voyage planning and physical chart carriage within northern transport sectors.