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<ul><li><b>Scope and content:</b>  Beginning with the Civil War, the U.S. Army recognized a need to provide for coastal defenses in the Pacific NW along the Columbia River and in the Puget Sound. A number of forts, many no longer in service, were built for this purpose.</li></ul></div>
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Unknown author<span style="display: none;">Unknown author</span> or not provided</div>
<a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a>