Photographs of the Skagit River Hydroelectric Project constructed between 1918-1961.
<p>The Gorge Dam and Powerhouse were built by Seattle City Light and completed in September of 1924.
</p><p>Caption on image: 5237.  8-15-24
</p><p>Caption on duplicate image: Interior of two mile tunnel serving Gorge Power House. Tunnel is 20' 6" inside diameter and supplies three 10' diameter penstocks. Capacity 112,500 H.P.
</p><p>PH Coll 45.1-71
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<ul><li>Subjects (LCTGM): Tunnels--Washington (State)</li>
<li>Subjects (LCSH): Hydroelectric power plants--Washington (State)</li></ul>
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Unknown author<span style="display: none;">Unknown author</span></div>
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