Related by context. Frequent words. (Click for all words.) 63 Radiocarbon dating 62 pottery shards 60 flint tools 60 middens 59 amphorae 58 Harappan 57 excavated 55 Mesolithic 55 radiocarbon dating 54 papyri 54 archeologists 54 neolithic 54 pictographs 53 Pre Columbian 53 archaeologists 53 Mycenaean 53 arrowheads 53 Neolithic 52 prehistoric 52 Columbian mammoth 52 coprolites 52 feathered dinosaurs 52 hieroglyphs 52 flints 52 fossilized bones 52 petroglyph 52 fossils 51 earthenware 51 carbonized 51 musket balls 51 millennium BC 51 excavations 51 ancient 51 Bronze Age 51 sarcophagi 51 #BC [003] 51 chert 51 stone carvings 51 foraminifera 51 archeological digs 51 amphora 50 petroglyphs 50 archeological 50 palisade 50 Etruscans 50 microfossils 50 obsidian 50 Iron Age 50 stromatolites 50 cuneiform 50 midden 50 hadrosaur 50 burial mounds 50 carvings 50 lava tubes 50 red ocher 50 Paleolithic 49 archaeologically 49 trilobites 49 stupas 49 excavation 49 ancient Mesopotamia 49 polychrome 49 stalactite 49 lunar soil 49 Archeological 49 H. erectus 49 Neandertal 49 Mesoamerican 49 archaeological finds 49 Sumerian 49 limestone cave 48 whalebone 48 hominins 48 parchments 48 Essenes 48 Chaco Canyon 48 skull fragments 48 Sumerians 48 archaeological 48 Inscriptions 48 stone masonry 48 Neandertals 48 bas reliefs 48 Byzantine era 48 Egyptian pyramids 48 fossilized 48 stele 48 terracotta 48 tetrapod 48 Olmec 48 archeological excavations 48 birch bark 48 pre Columbian 48 prehistory 48 inscriptions 48 stone carving 48 dinosaur fossils 47 petrified wood 47 radiocarbon 47 calcareous