Related by context. Frequent words. (Click for all words.) 60 dinosaur bones 58 limestone 57 chert 57 fossils 56 volcanic rock 54 dinosaur fossils 54 petroglyphs 53 basalt 53 pottery shards 52 fossilized 52 sedimentary rock 52 sandstone 51 arrowheads 51 soapstone 51 quarried 51 obsidian 50 calcite 50 quartzite 50 opal 50 meteorite 49 carvings 49 meteorites 49 feldspar 49 malachite 49 woodcarvings 48 artifacts 48 fossil 48 lichen 47 olivine 47 seashells 47 hand hewn 47 reclaimed wood 47 alabaster 46 driftwood 46 hematite 46 stone carvings 46 excavated 46 granite 46 cottonwood 46 terra cotta 46 basswood 45 fossilized remains 45 pottery 45 paleontological 45 archeological 44 wood carvings 44 semiprecious stones 44 rock formations 44 landforms 44 marble 44 granites 44 geological formations 44 specimens 44 moss covered 44 prehistoric 44 archaeological 44 paleontologists 44 outcrop 43 walnut 43 birch bark 43 bluestone 43 burial mounds 43 Meteorite 43 wood 43 arrowhead 43 tourmaline 43 artifact 43 flint 43 paleontology 43 mica 43 intricately carved 43 outcrops 42 pictographs 42 galena 42 redwood 42 sauropod 42 iron oxide 42 moss 42 earthenware 42 travertine 42 buttes 42 rocks 42 semi precious stones 42 topaz 42 cedar 42 specimen 42 carat stone 42 minerals 42 terracotta 42 glass beads 42 aspen trees 41 manganese 41 stalagmites 41 gemstone 41 dinosaur 41 archeologists 41 porcelains 41 Artifacts 41 agate 41 geologic 41 stalactites