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  • Map
    [Planning map for proposed Cape Cod Ship Canal] Relief shown by contours. Title supplied by cataloger. Pen-and-ink in red and blue inks and pencil on tracing paper. Imperfect: Brittle, soiled, creased, small tears along edges. Available also through the Library of Congress Web site as a raster image.
    • Contributor: Dennis, W. H. - United States Coast Survey
    • Date: 1860