The Bottom End of a 3000 Foot Shaft

This is the inside of the shaft looking up at the top of the shaft.
The transition from the roof to the shaft is much smoother than it appears here.

Climatologists, engineers specializing in fluid dynamics, geologists, and other scientists were consulted about the natural lift without coming to a consensus of opinion regarding the principles at work or their origin. There are many things to yet discover about this mysterious tube to the top. Could this be something more than a natural phenomenon?

I am obligated to mention the rumor going around that a large Chinese conglomerate currently negotiating with the Park Service to create a theme park around this geologic wonder is undoubtedly false.

Although certain public agencies are exerting an undue amount of pressure on your humble reporter to disclose the location of the entrance, the secret is still just that. A secret.