 The city was rebuilt on large plots of land in a new grid network and followed new city ordinances that prohibited construction in wood.These factors encouraged the building of taller properties in new innovative designs, which, like New York, saw a range of businesses and services being packed into single buildings.The construction of taller buildings during the 1870s was hindered by the financial Panic of 1873 and the ensuing economic depression, which lasted until around 1879.