Helena, Montana 1869, October 1871, August 1872 and January 1874 that swept through the early mining camp. On August 2, 2016 an arson attack severely damaged the "tower" and was deemed structurally unstable. The tower is to be "demolished"; however, it is to be ""rebuilt" using the same methods that were used in its original construction. In 1889, railroad magnate Charles Arthur Broadwater opened his Hotel Broadwater and Natatorium west of Helena. The Natatorium was home to the world's first indoor swimming pool. Damaged in the earthquake of 1935, it was closed in 1941. The many buildings on the property were demolished
Flushing Meadows Natatorium sides. All of the wide flange shapes and masts were fabricated form ASTM A572 Grade 50 steel, while the diagonal roof bracing were A 500 Grade B. Due to the precisely choreographed steel design, the Flushing Meadow Natatorium received the 2009 Innovative Design in Engineering and Architecture with Structural Steel award. (IDEAS). The IDEAS awards recognize outstanding achievements in engineering and architecture on structural steel projects around the country. The project was judged on structural steel innovation, with an emphasis on creative solutions to project requirements. The form was directly derived from the structural requirements of the program. Visual interventions