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