Provided is a history of ancient, paleolithc stone tools of the Old World and how they were made. Presented are decriptions of sites where many paleolithic-type artifacts have been found in Oregon, U.S.A. The location of sites in relation to dried-up Pliocene lakes is evidence of humans in America over three million years ago. Paleolithic-type, pre-projectile artifacts, some of newly idientified types, made of obsidian, jaspar, chert, pitchstone, chalcedony, rhylolite, and basalt are shown in 455 photographs.
