narrow spiral staircase. from wiki: In 1892, a crew of 56 began construction the light. Because of the site's seclusion, building materials were either shipped in if the weather and tide permitted, or brought from Florence by wagon, the latter usually taking four or five hours. Stones were brought from the Clackamas River and bricks came from San Francisco. Completed in August 1893, the entire project cost $80,000.