emn music] [birds chirping] the wildlife in lamar valley seem to have an impact on the hayden expedition. [gentle music] on one hand, the journal entries still refer to the wildlife in the valley seem to have an impact on the hayden expedition. on one hand the journal entries to refer to the viability of mining the area. but on the other hand, they wrote about the abundance of elk and deer in more frequent run-ins with the alpha predator of yellowstone.
the grand prismatic spring is the single feature that took up the most space in the hayden expedition s journals. [gentle music] a mesmerizing site where water bubbles up from the earth s crust. [gentle music] at 189 degrees in the center, it s too hot for anything to live, giving it the deep blue color of pure water. as the water spreads across the surface, it cools, allowing thermophilic bacteria to flourish. [gentle music] [water burbling]
emn music] [birds chirping] the wildlife in lamar valley seem to have an impact on the hayden expedition. [gentle music] on one hand, the journal entries still refer to the viability of mining the area, but, on the other hand, they wrote about the abundance of elk and deer and more frequent run-ins with yellowstone s alpha predator. [tense music] the grizzly bear. [tense music] [bear grunts]
that would connect the mississippi river to the pacific ocean. [dramatic music] they weren t here to protect yellowstone. they were here to tear it to shreds in the name of progress, but something happened during that three-month journey. this place, it did something to him, it got inside him, and, slowly but surely, started to change their minds, and that s why it s still here. yeah, she s still here. the hayden expedition resulted in the creation of the national park system,