Although the Bigfoot creatures are the most famous monsters in the field of Cryptozoology and in pop-culture, there was a time long gone when the Bigfoots were described as Wild-Men. And, with that said, let’s have a look at some of those 19th century cases. One of the most thought-provoking theories for Bigfoot’s overwhelming elusiveness suggests that the creatures spend a great deal of time living in natural caves and caverns, as well as abandoned, old mines. In the early 1900s, a number of stories surfaced in the Oregon press that, upon careful reflection, just might offer a degree of support for this particularly intriguing theory that Bigfoot is very much a creature of the underground. The reports are made all the more significant because they reference in excess of a decade of sightings of large, hair creature, all in a specific vicinity where underground digging was known to be widespread.