Archaeology Day 2012 Archaeology Day 2012 Flint Knapping Two young girls try their hand at flint knapping with Barry Keegan 169054303 Flint Knapping A family flint knapping with Barry Keegan. 169054304 Dr. David M. Oestreicher A lecture on ?The Lenape: Lower New York?s First Inhabitants? by Dr. David M. Oestreicher. 169054305 Identification Table Eugene Boesch at Identification table 172367223 John Phillips JP filling in for sick lecturer. 172367224