Includes text, map of "Lower Mississippi Valley Division," and ill. (some col.). Text and ill. (some col.) on verso. Available also through the Library of Congress Web site as a raster image.
United States. Mississippi River Commission
<a rel="nofollow" class="external free" href="https://www.loc.gov/item/99445418/">https://www.loc.gov/item/99445418/</a>