Maslak United States) constructing with steel costs more than constructing with concrete. The reason for choosing steel was its relative strength in resisting earthquakes (Istanbul is located along an active fault), whereas concrete is more fire-resistant. The stations "İTÜ-Ayazağa" and "Atatürk Oto Sanayi" along the M2 line of the Istanbul Metro serve the Maslak business district and its surrounding neighbourhoods. One of the five campuses of the Istanbul Technical University, the Ayazağa Campus, is located in Maslak. Maslak Maslak is one of the main business districts of Sarıyer, Istanbul, Turkey, located on the European side of the city. It was formerly
Osage Commercial Historic District Osage Commercial Historic District The Osage Commercial Historic District is a nationally recognized historic district located in Osage, Iowa, United States. It was listed on the National Register of Historic Places in 2002. At the time of its nomination it contained 50 resources, which included 46 contributing buildings, one contributing structure, and three non-contributing buildings. The historic district covers most of the city's central business district. Four settlers claimed four tracts of land that would become the city of Osage: Hiram Hart, that is the southwest side; Dr. A.H. Moore, for the southeast side; O.E. Tripp, the northwest side; and