A) Arizona B) California C) Utah D) Nevada
A) Limestone B) Sandstone C) Basalt D) Granite
A) Triassic B) Paleozoic C) Jurassic D) Cretaceous
A) Erosion B) Volcanic activity C) Metamorphism D) Sedimentation
A) National Park Service (NPS) B) Fish and Wildlife Service C) Forest Service D) Bureau of Land Management (BLM)
A) 450 million years B) 300 million years C) 65 million years D) 190 million years
A) Jagged B) Undulating C) Circular D) Flat
A) Iron oxide B) Calcite C) Feldspar D) Quartz
A) Taking photographs B) Camping C) Disturbing the formations D) Swimming |