The Sandrock Cliffs are located in Burnett County, Wisconsin. History The cliffs are remnants of the retreating Cambrian sea-left deep sandstone which was carved by…
The Sandrock Cliffs are located in Burnett County, Wisconsin.
History The cliffs are remnants of the retreating Cambrian sea-left deep sandstone which was carved by glacial meltwater, revealing cliffs revered by indigenous people. In 1990, the site was added to the National Register of Historic Places.
References
Gebaseerd op: Wikipedia — Sandrock Cliffs · auteursgeschiedenis.
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