WI:Yellowstone fails to be made a national park

According to Wikipedia
In 1871, eleven years after his failed first effort, Ferdinand V. Hayden was finally able to make another attempt to explore the region. With government sponsorship, Hayden returned to Yellowstone region with a second, larger expedition, the Hayden Geological Survey of 1871. He compiled a comprehensive report on Yellowstone, which included large-format photographs by William Henry Jackson, as well as paintings by Thomas Moran. His report helped to convince the U.S. Congress to withdraw this region from public auction. On March 1, 1872, President Ulysses S. Grant signed The Act of Dedicationhttp://en.wikipedia.org/wiki/Yellowstone_National_Park#cite_note-memory.loc.gov-6 law that created Yellowstone National Park.http://en.wikipedia.org/wiki/Yellowstone_National_Park#cite_note-grant-24


Lets say that this act to form the national park failed. What may happen to the area of Yellowstone next. How may its use and development for homesteads and mines affect the USA. Also in what ways could the exploitation of its resources cause butterflies. Could large cities be built in the area, eventually tapping into its geothermal energy as a power source?

I'd image that a few specie still alive in OTL may go extinct and individuals like Teddy Roosevelt will be pissed off by this so add your comments about such possible butterflies as well.
 
Don't panic too badly now, remember that NOONE lives in Wyoming. Probably a few scatters homes, with a small town on the current site, possibly with a geothermal plant, and that's all worst case scenario.
 
Due to Humans habit of building cities on geologically unstable areas. they would build the new US capital Lincoln on the caldera.
 
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