tag:blogger.com,1999:blog-5273973168996380531.post743702248207073630..comments2024-03-17T05:19:52.307-04:00Comments on This Week In Pennsylvania Archaeology: Prehistoric Lithic Quarries in PennsylvaniaPA Archaeologyhttp://www.blogger.com/profile/04204159849822259411noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5273973168996380531.post-16363704903763695142011-01-29T09:47:15.795-05:002011-01-29T09:47:15.795-05:00The manufacturing of tools was pretty remarkable b...The manufacturing of tools was pretty remarkable back then. I assumed you didn't see that type of work until many years later.Pennsylvania Healthhttp://www.pahealthinsurancecoverage.comnoreply@blogger.com