City swimming pool and Washington Monument in distance These swimming pools were built between 1907 and 1910 on the site of the <a href="http://mallhistory.org/items/show/313">US Fish Commission hatching ponds</a>. In addition to the pools there was a building with showers and changing rooms. The pools were removed in 1936. <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=39&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=Orren+R.+Louden">Orren R. Louden</a> The Historical Society of Washington, DC. <a href="http://historydc.pastperfect-online.com/32595cgi/mweb.exe?request=image&amp;hex=3666PHACLU.JPG">View original</a>. 1930 <a href="/items/browse?advanced%5B0%5D%5Belement_id%5D=38&advanced%5B0%5D%5Btype%5D=is+exactly&advanced%5B0%5D%5Bterms%5D=1920-1949">1920-1949</a>