Words about ancient prehistory artifacts over 300,000 years old. Stone age tools have been discovered within multi level floodplain sediment. The tools show there was settlements of early groups of Middle Stone Age people. A study of Anthropology from the University of Connennectict.  Researchers study on chemical analysis of artifacts.  One was a hand axe. So,the ancient people could use the axe to chop & create stone pieces. Later on these pieces were used in construction.  Make buildings for daily use.

Some of the puzzles that people list for the public get indexed by the search engines (like Google). Some people find those puzzles and cannot figure out how to make a puzzle of their own. So this page now has the navigation sidebar.

There are now buttons on the puzzle so that you can get a clean page, in either HTML or PDF, that you can use your browser's print button to print. The PDF format allows the web site to know how large a printer page is, and the fonts are scaled to fill the page. The PDF takes awhile to generate. Don't panic!