Related by context. Frequent words. (Click for all words.) 54 chert 54 pottery shards 53 earthenware 53 petroglyph 52 artifacts 52 pictographs 52 fragments 52 arrowheads 51 artefacts 49 midden 49 petroglyphs 48 Paleolithic 48 obsidian 48 fossils 48 pottery 47 excavated 47 archeologists 47 prehistoric 47 Achaemenid 47 burial mounds 47 flint 47 archaeological artifacts 46 stones 46 Neolithic 46 cairns 46 archaeological 46 Bronze Age 46 carvings 46 Iron Age 46 basalt 46 stone carvings 45 ossuaries 45 oyster shells 45 Vases 45 Artifacts 45 radiocarbon 45 Thracian 45 archeological 45 birch bark 45 archaeologists 45 specimens 45 relics 45 ancient 44 fossilized 44 bones 44 stone slabs 44 archeological sites 44 Inscriptions 44 hieroglyphs 44 petrified wood 44 Archeologists 44 skulls 43 oyster shell 43 volcanic rock 43 dinosaur bones 43 antiquity 43 pebbles 43 stalagmite 43 stele 43 inscriptions 43 shards 43 incised 43 engravings 43 artifact 42 stoneware 42 rock outcrops 42 alabaster 42 terracotta 42 pumice 42 Pre Columbian 42 landforms 42 sarcophagi 42 striations 42 rocks 42 archaeological sites 42 #BC [003] 42 etchings 42 artefact 42 indentations 42 Sumerians 41 millennium BC 41 ceramic pots 41 stone 41 jade 41 Olmec 41 excavations 41 glass beads 41 Byzantine era 41 celadon 41 ceramic 41 stone slab 41 bluestones 41 Archaeologists 41 seashells 41 vases 40 Hellenistic 40 fossilized bones 40 bas reliefs 40 porcelains 40 radiocarbon dating 40 quarried