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Ketchikan (B-6) NE quadrangle, Alaska--Ketchikan Gateway Borough
produced by the United States Geological Survey.
Relief shown by contours and spot heights.
"Produced from original manuscript drawings."
Filing title: Ketchikan (B-6) NE, Alaska.
"Compiled from aerial photographs 1982, field checked 1985, map edited 1991."
Includes quadrangle location map and index to adjoining quadrangles.