Results for National Historic Landmark - Obsidian Cliff
Results for National Historic Landmark - Obsidian Cliff
National Historic Landmark - Obsidian Cliff
Obsidian Cliff occupies a unique position in national prehistory as a singularly important source of lithic materials for prehistoric peoples of interior western North America. It is recognized as an exceptionally well preserved, heavily utilized lithic source that served the ...
photo_library photo_library