tag:blogger.com,1999:blog-6057432722659257077.post6332405516796730339..comments2024-03-22T01:42:37.271-04:00Comments on Archaeology of Portable Rock Art: Rock suspected of being a Stone Age curated manuport may have been worked to enhance perceived facial features in the random surface patternKen Johnstonhttp://www.blogger.com/profile/17626582215405908165noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6057432722659257077.post-11448361485756242472015-09-01T16:20:32.875-04:002015-09-01T16:20:32.875-04:00I am in the Springfield area in Oregon and found s...I am in the Springfield area in Oregon and found something extremely similar to the tools shown here. What other resource may I find out information pertaining to these types of artifacts and their dating. The hydration dating process seems to be the route to go but who does one call to have this done.JustmeJGhttps://www.blogger.com/profile/02242956073742197798noreply@blogger.com