Grand Staircase–Escalante National Monument – Coyote Gulch Coyote Gulch preserves sandstone canyon formations shaped by erosion across the Colorado Plateau. Water flowing through fractures gradually carved narrow passages, arches, and alcoves into the rock layers. The canyon illustrates how erosion gradually deepens channels within uplifted sedimentary formations. Rock layers exposed within the canyon record environmental […]
Lehman Caves National Monument Lehman Caves preserves a limestone cave system formed through the gradual dissolution of carbonate rock by slightly acidic groundwater. Over long periods of time, water widened fractures in the rock, creating chambers and passageways beneath the surface. Mineral-rich water dripping through the cave deposited calcite formations such as stalactites, stalagmites, and […]
Muir Woods National Monument Muir Woods National Monument protects an old-growth forest of coast redwood trees located in the coastal mountains of Marin County north of San Francisco. The monument preserves a remnant of the extensive redwood forests that once covered large portions of the Pacific coast, where fog-influenced climate conditions support the growth of […]