Hvor findes sandsten i USA?

* Pennsylvania: Tuscarora sandsten, Pocono sandsten

* Ohio: Berea Sandstone, Massillon Sandstone

* Michigan: Jacobsville Sandstone, Grand Ledge Sandstone

* Illinois: St. Peter Sandsten, Aux Sable Sandstone

* Wisconsin: Baraboo Sandstone, Jordan Sandstone

* Iowa: Oneota Sandstone, St. Peter Sandstone

* Minnesota: Hinckley Sandstone, Fond du Lac Sandstone

* Missouri: Lamotte Sandstone, Roubidoux Sandstone

* Kansas: Dakota Sandstone, Lyons Sandstone

* Colorado: Lyons Sandstone, Dakota Sandstone

* Utah: Navajo-sandsten, Kayenta-sandsten

* Arizona: Aztec Sandstone, Coconino Sandstone

* Nevada: Aztec Sandstone, Moenkopi Sandstone

* Californien: Chico Formation, Great Valley Sequence