Pipe Creek Sinkhole have also been found there. Pipe Creek Sinkhole preserves an ancient wetland. It was created by the collapse of a limestone cave in a Silurian reef formation. That left a steep-sided depression about long, wide and deep. When water collected in the depression, it became the habitat of the plants and animals whose remains were preserved there when the sinkhole was buried by glacial outwash and till during the Pleistocene Epoch, two million to 11,000 years ago. While the ecology of the Pliocene in North America is well-known from fossil discoveries in other places, notably coastal sites, the Pleistocene glaciers
Into the Void (Black Sabbath song) Into the Void (Black Sabbath song) "Into the Void" is a song by Black Sabbath, released in 1971 on their album, "Master of Reality". An early version of "Into the Void" called "Spanish Sid" was released on the deluxe edition of "Master of Reality". It is written in the key of C# minor. Various artists have covered the song, including Soundgarden, Kyuss, Monster Magnet, Melvins, Sleep, Dr. Know, Cavity, Exhorder, Lumsk, Dimmi Argus and Orange Goblin. In Soundgarden's version, the original lyrics are replaced by words of protest by Chief Seattle, which fit the metre of the song. At the