Related by context. Frequent words. (Click for all words.) 71 rock formations 63 sandstone cliffs 62 rock outcrops 62 buttes 61 geologic formations 61 geologic formation 61 geological formations 61 limestone cliffs 60 rock outcroppings 60 sandstone 60 limestone caves 59 lava tube 59 towering cliffs 59 granite boulders 59 landforms 58 landform 58 rocky outcrops 58 outcroppings 58 mudstone 57 volcanic crater 57 basalt 56 aspen trees 56 graben 56 glaciated 55 cliff dwellings 55 massif 55 sandstone reservoirs 55 rocky cliffs 55 tussock 55 crags 55 petroglyphs 54 deep ravines 54 Geologically 54 canyons 54 Mogollon Rim 54 mesas 54 ridges 54 barrens 54 mountain ranges 54 sedimentary rock 54 towering peaks 54 sheer cliffs 54 hoodoos 54 glacial till 54 outcrops 54 alpine meadows 54 snowy peaks 54 alpine lakes 54 steam vents 53 volcanic rock 53 lavas 53 lava rocks 53 limestone cave 53 glacial lakes 53 depositional 53 petroglyph 53 stalactites 53 alluvial deposits 53 jagged peaks 53 geologic 53 talus 53 canyon 53 canyon walls 53 lava flows 53 rocky slopes 53 Sandia Mountains 52 geologically 52 salt domes 52 basaltic 52 Superstition Mountains 52 craggy mountains 52 calcite 52 majestic mountains 52 magma chamber 51 boulder strewn 51 limestone 51 sandstones 51 sand dunes 51 ponderosa pines 51 stalagmites 51 streambeds 51 hydrothermal breccias 51 lichen 51 striations 50 alluvium 50 rock outcrop 50 sedimentary basins 50 dunes 50 Painted Desert 50 cliffs 50 Burgess Shale 50 karst 50 limestones 50 boulders 50 calcareous 50 quartzite 50 outcrop 50 snowfield 50 caverns 50 Book Cliffs 50 areal extent