Ключевые слова: alpine, arid, ashes, basalt, bedrock, bluff, boulder, california, canary, cliff, crater, desert, eastern sierra, glass, gravel, hills, inyo national forest, landscape, lava, lava fields, magma, martian landscape, mass, mineral, mono county, mountain, national, obsidian, obsidian dome, obsidian rock, park, peak, pebble, rock, sky, slope, stone, terrain, trail, travel, valley, volcanic, volcano,