<p>Black and white photograph of two men in work clothes standing behind a sluice</p>
<p>Bill and Brother Hiram Thornburg sluicing on Old China Bar in the Columbia before Grand Coulee Dam. c 1932</p>
<ul><li>Keywords: China Bend; China Bar; Columbia River; Bill Thornburg; Hiram Thornburg; Prospecting; Prospectors; Sluice; Sluicing; Historic; 20th Century; 1930s</li></ul>
NPS photo
<a rel="nofollow" class="external text" href="https://npgallery.nps.gov/">NPGallery</a>