Excerpt from Recent Cave Exploration in California, And, Evidence of the Work of Man on Objects From Quaternary Caves in California South America. That other ma

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced