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1998 Map of Lopez Pass

Name: 1998 Topographic Map of Lopez Pass
Creator: U.S. Geological Survey
Published: 2001
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 2001

About this map

Lopez Island and its surrounding archipelago define this maritime landscape at the eastern edge of the Strait of Juan de Fuca. The map details the intricate shoreline of the San Juan Islands, where deep inlets like Mackaye Harbor and Hunter Bay provided shelter for local vessels. Much of the southern peninsula is dominated by the steep topography of Chadwick Hill and the prominent Watmough Head, serving as critical landmarks for navigation near Pt Colville.

Conservation efforts are prominent across the islands, with numerous segments of the San Juan Islands National Wildlife Refuge protecting smaller landforms such as Fortress Island, Skull Island, and Colville Island. Human activity is concentrated along a sparse network of roads, including Pavey Blvd, and small developments like the landing strip on Decatur Island. The bathymetric data illustrates the complex underwater shelves and ledges, such as Kellett Ledge, that surround these rocky outcroppings.