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April 8 Evidence throughout the Western Hemisphere

Across
Used for counting in dendrochronology when available
Abbreviation for important dating technique developed in the later 1950s
What do most archaeologists say we still need more of as we try to develop better understanding of human behavior in the earliest Western Hemisphere?
Term used in archaeology for "arrowhead"
Likely blockage for early travel into the Western Hemisphere
Named for Paleo-Indian site location in New Mexico
Caused lowered sea levels exposing sea floor
Undocumented but likely aid to travel into the Western Hemisphere
Important organic data from site in Chile used for dating and validating the site
Most common material of artifacts preserved in early sites
Object that is made, modified, or used by people (term in archaeology)
Used to identify shovel-shaped incisors as indicator of heredity--in some instances
Site in Chile with very old materials
Latin/archaeology term meaning in its original place or spot
Down
Dating technique not available when early dry cave sites were first analyzed
Today's archaeological view of all major earliest peopling of the Western Hemisphere
Means huge bones
Body of water now present where the Aleutian Islands are now and a so-called land bridge used to be
Famous very old site in western Pennsylvania
Major focus of Western Hemisphere earliest entries
Often preferred skeletal part of human being for research of earliest people of the Western Hemisphere
Remarkably preserved in dry cave sites in interior North America
Sometimes available today for determining ancestry of First Peoples in the Americas
Abbreviation for time before the present based on the arbitrary date of 1950, in archaeology
Location of Arctic Eastern Hemisphere sites helping support arrivals in Western Hemisphere from that direction
Term archaeologists use for stone