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
El Dorado Commercial Historic District several blocks extending east along Main Street and south along Washington Street. Most of the commercial buildings are one and two stories in height and are built of brick. Notable exceptions include the Exchange Bank building, which was, at nine stories, the county's first skyscraper, and the eight-story Murphy Oil building. There are more than forty contributing properties in the district. El Dorado Commercial Historic District The El Dorado Commercial Historic District encompasses the historic commercial heart of downtown El Dorado, Arkansas. The city serves as the seat of Union County, and experienced a significant boom in growth during the