Alaska Explorer

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Explore the details

Marine depthsNOAA contours, soundings & rocks

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Forest roadsUS Forest Service road inventory

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Terrain shadingRead the shape of the landMy labelsSaved on this device

CHART DEPTH · FT

0301003001,000+

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Map sources & coverage

Roads and place names: OpenStreetMap via OpenFreeMap. Forest roads: US Forest Service. Road presence does not establish public access or current condition.

Marine features: NOAA ENC Direct. Source depths are meters, converted to feet. Depths reference chart datum, not current tide. Missing soundings mean unknown depth, not shallow water. This exploration map is not for navigation.

Terrain: AWS / Mapzen elevation tiles; clicked land heights: USGS 3DEP. Contours are computed in feet; detail depends on source resolution. Satellite: Esri World Imagery. Online connection required.

Opening Alaska…

SOUTHCENTRAL ALASKA & THE GULFBASIC MAP

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