Grave Sites, Petroglyphs, and Relics: The Turn of the Century Archaeology of David Herr Landis

Thousands of years ago, travelers from northeastern Asia­ Рancestors of Native Americans Рfollowed the animals they hunted into what had once been inaccessible regions of Alaska. Over the newly-formed land bridge at the Bering Strait they came, eventually spreading across the North American continent, including the territory that became Pennsylvania. In the Commonwealth, as...
read more