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The Colorado wildfire that tore through 15 square miles (39 square kilometers) and destroyed 48 buildings, over half of which were homes, was human-caused, investigators said Friday. The Alexander ...
Mexico City is an example of a sinking city that is neither coastal nor low-lying. The city was originally constructed by the Aztecs above a large aquifer in the 1300s. Subsidence was originally caused by the loading of large Aztec and Spanish structures. The city grew rapidly during the nineteenth century, and with it, so did the demand for water.
Colorado homes to be bulldozed after developers built on top of retention pond — families forced to sell everything and move Chris Clark September 30, 2024 at 4:48 AM
Mexico City subsidence. Groundwater-related subsidence often results in major damage to urban areas. In Mexico City, the buildings interact with the settlement, and cause cracking, tilting, and other major damage. [7] In many places, large sinkholes open up, as well as surface cavities.
Subsidence frequently causes major problems in karst terrains, where dissolution of limestone by fluid flow in the subsurface creates voids (i.e., caves).If the roof of a void becomes too weak, it can collapse and the overlying rock and earth will fall into the space, causing subsidence at the surface.
In the mid-19th century, Colorado Springs was a center of mining industry activity. Coal was mined in 50 mines in the area and towns, now annexed to Colorado Springs, were established to support residents of the coal mining industry. It was the home to gold and silver mine investors, like Winfield Scott Stratton [1] [2] and William Jackson Palmer.
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