1963. Relief shown by contours and spot heights. Depths by contours and soundings.; Contour interval 5 and 10 feet.; Red tint indicates areas in which on... U.S. Geological Survey.
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1973. Geological Survey (U.S.). Relief shown by contours and spot heights.; Compiled in 1970.; Includes population key.; Source data U.S Dept. of the interior - Geological Survey ... U.S. Geological Survey.
1950. Printed 1950--Margin. Scale 1:500,000; Lambert conformal conic projection. U.S. Geological Survey.
2011. United States. Bureau of Transportation Statistics. This data set includes cities in the United States, Puerto Rico and the U.S. Virgin Islands. These cities were collected from the 1970 National Atl... U.S. Geological Survey.