| Field View of Dakota Sandstone High Resosution Image Location: Near Clay Springs AZ Age: Cretaceous Formation: Dakota Sandstone |  |
| Cross Bedding in Dakota Sandstone High Resosution Image Location: Near Clay Springs AZ Age: Cretaceous Formation: Dakota Sandstone |  |
| Trace Fossils in Dakota Sandstone High Resosution Image Location: Near Clay Springs AZ Age: Cretaceous Formation: Dakota Sandstone |  |
| Trace Fossils in Dakota Sandstone High Resosution Image Location: Near Clay Springs AZ Age: Cretaceous Formation: Dakota Sandstone |  |
| Trace Fossils in Dakota Sandstone High Resosution Image Location: Near Clay Springs AZ Age: Cretaceous Formation: Dakota Sandstone |  |