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