Scale ca. 1:29,000. Folded title: Floods in Bedford, Massachusetts; how to avoid damage. Includes "Concord River flood profiles," "Shawsheen River, Bedford, Massachusetts, flood plains," and "Shawsheen River flood profiles." Text and illus. on verso. Available also through the Library of Congress Web site as a raster image. AACR2
United States. Army. Corps Of Engineers
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/gm69002562/">https://www.loc.gov/item/gm69002562/</a>