Clovis Age in calendar years
essay 2004 Fiedel, Stuart J.

Early Paleo-IndianNew World > New World
The author describes research helping to correlate radiocarbon age with calendar years, advocating use of the latter for standardization—in this case to attain a more accurate picture of the Clovis era....

Pre-Clovis in Texas?
article 2012 Morrow, Juliet E. et al.

Early Paleo-IndianNew World > New World
The authors assess the evidence for a pre-Clovis date for the Buttermilk Creek Complex by looking at post-depositional processes, microdebitage, and similarities to known Clovis assemblages....