The Calico Early Man Archeological Site, items resembling stone tools recovered from the site date to 200, 000 years ago; scientists do not agree on whether they were made by early man or by natural geological processes, Barstow, California, USA, North America.

200 • ADDRESS • AGE • AGED • ÂGÉS • AMERICA • AMERICAS • ANCIENT CIVILIZATION • ANCIENT CIVILIZATIONS • ARC • ARCH • ARCHAEOLOGIC • ARCHAEOLOGICAL • ARCHAEOLOGY • ARCHEOLOGIC • ARCHEOLOGICAL • ARCHES • ARCHWAY • ARCO • ARMS: BOW AND ARROW • ARROW • ARROWS • ARTEFACT • ARTEFACTS • BABY BOY • BABY BOYS • BOARD • BOARDING • BOARDS • BOW (WEAPON) • BOW AND ARROW • BOW • BUCKLER • BUCKLERS • CALIFORNIA • CALIFORNIAN • CULTURAL HISTORY • CULTURAL SITE • CULTURAL SITES • CULTURAL • CULTURE • CULTURES • DATE • DATES • DAY • DAYLIGHT • DAYTIME • DESTINATION • DESTINATIONS • DIG • DIGGING • DIGS • DIRECTION SIGN • DIRECTION SIGNS • DIRECTION • DIRECTIONAL ARROW • DIRECTIONAL ARROWS • DIRECTIONS • EARLY • EARTHWORK • EEUU • ELDERLY • EMBARK • EMBARKING • EMBARKS • ENTRANCE • ENTRANCES • ENTRY • EXCAVATION SITE • EXCAVATION SITES • EXCAVATION • EXCAVATIONS • EXTERIAL SHOT • EXTERIAL SHOTS • GATEWAY • GEOLOGICAL • GET ON • GETS ON • GETTING ON • GROUNDWORK • GUIDEPOST • HERITAGE • HERITAGES • HISTORIC • HISTORICAL • HISTORY • ITEM • ITEMS • LETTERING • LETTERINGS • MATURITY • NATURAL STONE • NATURAL STONES • NAVIGATION • NAVVYING • NO ONE • NO PEOPLE • NO-ONE • NOBODY • NORTH AMERICA • OLD AGE • OLD MAN • OLD MEN • OLD • ORIENTATION • OUT • OUTDOOR • OUTDOORS • OUTSIDE • PEOPLE • PERSON • PREHISTORIC • PROCESS • PROCESSES • PROCESSING • SCIENTIST • SCIENTISTS • SHIELD • SIGN POST • SIGN POSTS • SIGN • SIGNPOST • SIGNPOSTS • SIGNS • TOOL • TOOLS • TRIAL • TRIALS • UNITED STATES OF AMERICA • UNITED STATES • US • US-AMERICA • USA • WAY • WAYS • WITHOUT PEOPLE • WRITE • WRITES • WRITING • ÇA